297671
When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of:
1 Square
2 Rectangle but not a square
3 Circle
4 Triangle
Explanation:
Rectangle but not a square When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of rectangle but not a square.
PRACTICAL GEOMETRY
297672
The sides AB, BC, CA of a trinagle ABC have 3, 4 and 5 interior point on them. The number of triangles that can be constructed using these points as vertices are:
1 220
2 205
3 190
4 85
Explanation:
205 Total number of points 12. If no three points are co-linear, Then,, total number of triangles would be \(^{1}\)C\(_{\1}\)?. But 3 points on AB, 4 points on BC and 5 points on CA are co-linear. So, total number of triangles formed should be: = \(^{1}\)C\(_{\1}\)(\(^{1}\)C\(_{\1}\) + \(^{1}\)C\(_{\1}\) ?+ \(^{1}\)C\(_{\1}\)?) = 220 - (1 + 4 + 10) = 205
PRACTICAL GEOMETRY
297673
Construct an isosceles \(\triangle{\text{XYZ}}\) where YZ = 5 units and \(\angle{\text{XYZ}}\) 35°. Also, find the measure of \(\angle{\text{XYZ}}\)
1 35°
2 70°
3 110°
4 140°
Explanation:
110° YZ = 5cm \(\angle{\text{XYZ}}\) = 35° As the triangle is isosceles \(\therefore\angle{\text{XYZ}}\) 50° Steps of construction 1. Draw a line segment XY = 5cm. 2. At Y draw an angle of 35° and extend the arm. 3. At Z draw an angle of 35° and extend the ray such that it intersect the previous ray at X 4. Join Y to X and Z to X Now measure \(\angle{\text{YXZ }} \angle{ \text{YXZ}} = {110}^\circ\)
PRACTICAL GEOMETRY
297674
Which of the following nets is a net of a cylinder?
17
28
39
40
Explanation:
1 A net is 2-D figure which when folded in a particular axis gives a 3-D figure. So for the net to form a cylinder, the shape of the interlinking blocks of nets should contain a rectangle which is present only in option C. 2 So the correct answer is C.
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PRACTICAL GEOMETRY
297671
When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of:
1 Square
2 Rectangle but not a square
3 Circle
4 Triangle
Explanation:
Rectangle but not a square When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of rectangle but not a square.
PRACTICAL GEOMETRY
297672
The sides AB, BC, CA of a trinagle ABC have 3, 4 and 5 interior point on them. The number of triangles that can be constructed using these points as vertices are:
1 220
2 205
3 190
4 85
Explanation:
205 Total number of points 12. If no three points are co-linear, Then,, total number of triangles would be \(^{1}\)C\(_{\1}\)?. But 3 points on AB, 4 points on BC and 5 points on CA are co-linear. So, total number of triangles formed should be: = \(^{1}\)C\(_{\1}\)(\(^{1}\)C\(_{\1}\) + \(^{1}\)C\(_{\1}\) ?+ \(^{1}\)C\(_{\1}\)?) = 220 - (1 + 4 + 10) = 205
PRACTICAL GEOMETRY
297673
Construct an isosceles \(\triangle{\text{XYZ}}\) where YZ = 5 units and \(\angle{\text{XYZ}}\) 35°. Also, find the measure of \(\angle{\text{XYZ}}\)
1 35°
2 70°
3 110°
4 140°
Explanation:
110° YZ = 5cm \(\angle{\text{XYZ}}\) = 35° As the triangle is isosceles \(\therefore\angle{\text{XYZ}}\) 50° Steps of construction 1. Draw a line segment XY = 5cm. 2. At Y draw an angle of 35° and extend the arm. 3. At Z draw an angle of 35° and extend the ray such that it intersect the previous ray at X 4. Join Y to X and Z to X Now measure \(\angle{\text{YXZ }} \angle{ \text{YXZ}} = {110}^\circ\)
PRACTICAL GEOMETRY
297674
Which of the following nets is a net of a cylinder?
17
28
39
40
Explanation:
1 A net is 2-D figure which when folded in a particular axis gives a 3-D figure. So for the net to form a cylinder, the shape of the interlinking blocks of nets should contain a rectangle which is present only in option C. 2 So the correct answer is C.
297671
When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of:
1 Square
2 Rectangle but not a square
3 Circle
4 Triangle
Explanation:
Rectangle but not a square When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of rectangle but not a square.
PRACTICAL GEOMETRY
297672
The sides AB, BC, CA of a trinagle ABC have 3, 4 and 5 interior point on them. The number of triangles that can be constructed using these points as vertices are:
1 220
2 205
3 190
4 85
Explanation:
205 Total number of points 12. If no three points are co-linear, Then,, total number of triangles would be \(^{1}\)C\(_{\1}\)?. But 3 points on AB, 4 points on BC and 5 points on CA are co-linear. So, total number of triangles formed should be: = \(^{1}\)C\(_{\1}\)(\(^{1}\)C\(_{\1}\) + \(^{1}\)C\(_{\1}\) ?+ \(^{1}\)C\(_{\1}\)?) = 220 - (1 + 4 + 10) = 205
PRACTICAL GEOMETRY
297673
Construct an isosceles \(\triangle{\text{XYZ}}\) where YZ = 5 units and \(\angle{\text{XYZ}}\) 35°. Also, find the measure of \(\angle{\text{XYZ}}\)
1 35°
2 70°
3 110°
4 140°
Explanation:
110° YZ = 5cm \(\angle{\text{XYZ}}\) = 35° As the triangle is isosceles \(\therefore\angle{\text{XYZ}}\) 50° Steps of construction 1. Draw a line segment XY = 5cm. 2. At Y draw an angle of 35° and extend the arm. 3. At Z draw an angle of 35° and extend the ray such that it intersect the previous ray at X 4. Join Y to X and Z to X Now measure \(\angle{\text{YXZ }} \angle{ \text{YXZ}} = {110}^\circ\)
PRACTICAL GEOMETRY
297674
Which of the following nets is a net of a cylinder?
17
28
39
40
Explanation:
1 A net is 2-D figure which when folded in a particular axis gives a 3-D figure. So for the net to form a cylinder, the shape of the interlinking blocks of nets should contain a rectangle which is present only in option C. 2 So the correct answer is C.
297671
When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of:
1 Square
2 Rectangle but not a square
3 Circle
4 Triangle
Explanation:
Rectangle but not a square When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of rectangle but not a square.
PRACTICAL GEOMETRY
297672
The sides AB, BC, CA of a trinagle ABC have 3, 4 and 5 interior point on them. The number of triangles that can be constructed using these points as vertices are:
1 220
2 205
3 190
4 85
Explanation:
205 Total number of points 12. If no three points are co-linear, Then,, total number of triangles would be \(^{1}\)C\(_{\1}\)?. But 3 points on AB, 4 points on BC and 5 points on CA are co-linear. So, total number of triangles formed should be: = \(^{1}\)C\(_{\1}\)(\(^{1}\)C\(_{\1}\) + \(^{1}\)C\(_{\1}\) ?+ \(^{1}\)C\(_{\1}\)?) = 220 - (1 + 4 + 10) = 205
PRACTICAL GEOMETRY
297673
Construct an isosceles \(\triangle{\text{XYZ}}\) where YZ = 5 units and \(\angle{\text{XYZ}}\) 35°. Also, find the measure of \(\angle{\text{XYZ}}\)
1 35°
2 70°
3 110°
4 140°
Explanation:
110° YZ = 5cm \(\angle{\text{XYZ}}\) = 35° As the triangle is isosceles \(\therefore\angle{\text{XYZ}}\) 50° Steps of construction 1. Draw a line segment XY = 5cm. 2. At Y draw an angle of 35° and extend the arm. 3. At Z draw an angle of 35° and extend the ray such that it intersect the previous ray at X 4. Join Y to X and Z to X Now measure \(\angle{\text{YXZ }} \angle{ \text{YXZ}} = {110}^\circ\)
PRACTICAL GEOMETRY
297674
Which of the following nets is a net of a cylinder?
17
28
39
40
Explanation:
1 A net is 2-D figure which when folded in a particular axis gives a 3-D figure. So for the net to form a cylinder, the shape of the interlinking blocks of nets should contain a rectangle which is present only in option C. 2 So the correct answer is C.
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