297695
Mark \((\checkmark)\) against the correct answer. \(\triangle\text{ABC}\) is an isosceles triangle with \(\angle\text{C}=90^\circ\) and AC = 5cm. then, AB = ?
1 2.5cm.
2 5cm.
3 15m.
4 \(5\sqrt2\text{cm.}\)
Explanation:
\(5\sqrt2\text{cm.}\) 9 \(\triangle\text{ABC}\) is an isosceles triangle \(\angle\text{C}=90^\circ\) AC = 5cm BC = AC = 5cm In right \(\triangle\text{ABC}\) AB\(^{1}\) = AC\(^{1}\) + BC\(^{1}\) = (5)\(^{1}\) + (5)\(^{1}\) = 25 + 25 = 50 = 2 × 25 \(\text{AB}=\sqrt{2\times25}=5\sqrt2\text{cm}\)
PRACTICAL GEOMETRY
297696
Which of the following is not a criteria for the construction of triangle?
1 ASA
2 SAS
3 SSS
4 AAA
Explanation:
AAA
PRACTICAL GEOMETRY
297697
The number of lines of symmetry in the figure given below is: 0
1 4
2 8
3 6
4 Infinitely many
Explanation:
6 Line of symmetry is the line which divides a figure into two equal halves which are mirror image of each other. So for the given figure, it has six grooves or inside edge through which we can draw three lines of symmetry. The figure also has six outside edge through which we can draw three lines of symmetry. So total six lines of symmetry for the figure is six. The figure is as follows: 1
PRACTICAL GEOMETRY
297704
Mark \((\checkmark)\) against the correct answer. In \(\triangle\text{ABC}\) if \(\angle\text{A}=65^\circ\) and \(\angle\text{C}=85^\circ\) then \(\angle\text{B}={}?\)
1 25°
2 30°
3 35°
4 40°
Explanation:
30° In \(\triangle\text{ABC}\) \(\angle\text{A}=65^\circ,\angle\text{C}=85^\circ\) But \(\angle\text{A}+\angle\text{B}+\angle\text{C}=180^\circ\) (Angles of a triangle) \(\Rightarrow65^\circ+\angle\text{B}+85^\circ=180^\circ\) \(\Rightarrow150^\circ+\angle\text{B}=180^\circ\) \(\Rightarrow\angle\text{B}=180^\circ-150^\circ=30^\circ\)
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PRACTICAL GEOMETRY
297695
Mark \((\checkmark)\) against the correct answer. \(\triangle\text{ABC}\) is an isosceles triangle with \(\angle\text{C}=90^\circ\) and AC = 5cm. then, AB = ?
1 2.5cm.
2 5cm.
3 15m.
4 \(5\sqrt2\text{cm.}\)
Explanation:
\(5\sqrt2\text{cm.}\) 9 \(\triangle\text{ABC}\) is an isosceles triangle \(\angle\text{C}=90^\circ\) AC = 5cm BC = AC = 5cm In right \(\triangle\text{ABC}\) AB\(^{1}\) = AC\(^{1}\) + BC\(^{1}\) = (5)\(^{1}\) + (5)\(^{1}\) = 25 + 25 = 50 = 2 × 25 \(\text{AB}=\sqrt{2\times25}=5\sqrt2\text{cm}\)
PRACTICAL GEOMETRY
297696
Which of the following is not a criteria for the construction of triangle?
1 ASA
2 SAS
3 SSS
4 AAA
Explanation:
AAA
PRACTICAL GEOMETRY
297697
The number of lines of symmetry in the figure given below is: 0
1 4
2 8
3 6
4 Infinitely many
Explanation:
6 Line of symmetry is the line which divides a figure into two equal halves which are mirror image of each other. So for the given figure, it has six grooves or inside edge through which we can draw three lines of symmetry. The figure also has six outside edge through which we can draw three lines of symmetry. So total six lines of symmetry for the figure is six. The figure is as follows: 1
PRACTICAL GEOMETRY
297704
Mark \((\checkmark)\) against the correct answer. In \(\triangle\text{ABC}\) if \(\angle\text{A}=65^\circ\) and \(\angle\text{C}=85^\circ\) then \(\angle\text{B}={}?\)
1 25°
2 30°
3 35°
4 40°
Explanation:
30° In \(\triangle\text{ABC}\) \(\angle\text{A}=65^\circ,\angle\text{C}=85^\circ\) But \(\angle\text{A}+\angle\text{B}+\angle\text{C}=180^\circ\) (Angles of a triangle) \(\Rightarrow65^\circ+\angle\text{B}+85^\circ=180^\circ\) \(\Rightarrow150^\circ+\angle\text{B}=180^\circ\) \(\Rightarrow\angle\text{B}=180^\circ-150^\circ=30^\circ\)
297695
Mark \((\checkmark)\) against the correct answer. \(\triangle\text{ABC}\) is an isosceles triangle with \(\angle\text{C}=90^\circ\) and AC = 5cm. then, AB = ?
1 2.5cm.
2 5cm.
3 15m.
4 \(5\sqrt2\text{cm.}\)
Explanation:
\(5\sqrt2\text{cm.}\) 9 \(\triangle\text{ABC}\) is an isosceles triangle \(\angle\text{C}=90^\circ\) AC = 5cm BC = AC = 5cm In right \(\triangle\text{ABC}\) AB\(^{1}\) = AC\(^{1}\) + BC\(^{1}\) = (5)\(^{1}\) + (5)\(^{1}\) = 25 + 25 = 50 = 2 × 25 \(\text{AB}=\sqrt{2\times25}=5\sqrt2\text{cm}\)
PRACTICAL GEOMETRY
297696
Which of the following is not a criteria for the construction of triangle?
1 ASA
2 SAS
3 SSS
4 AAA
Explanation:
AAA
PRACTICAL GEOMETRY
297697
The number of lines of symmetry in the figure given below is: 0
1 4
2 8
3 6
4 Infinitely many
Explanation:
6 Line of symmetry is the line which divides a figure into two equal halves which are mirror image of each other. So for the given figure, it has six grooves or inside edge through which we can draw three lines of symmetry. The figure also has six outside edge through which we can draw three lines of symmetry. So total six lines of symmetry for the figure is six. The figure is as follows: 1
PRACTICAL GEOMETRY
297704
Mark \((\checkmark)\) against the correct answer. In \(\triangle\text{ABC}\) if \(\angle\text{A}=65^\circ\) and \(\angle\text{C}=85^\circ\) then \(\angle\text{B}={}?\)
1 25°
2 30°
3 35°
4 40°
Explanation:
30° In \(\triangle\text{ABC}\) \(\angle\text{A}=65^\circ,\angle\text{C}=85^\circ\) But \(\angle\text{A}+\angle\text{B}+\angle\text{C}=180^\circ\) (Angles of a triangle) \(\Rightarrow65^\circ+\angle\text{B}+85^\circ=180^\circ\) \(\Rightarrow150^\circ+\angle\text{B}=180^\circ\) \(\Rightarrow\angle\text{B}=180^\circ-150^\circ=30^\circ\)
297695
Mark \((\checkmark)\) against the correct answer. \(\triangle\text{ABC}\) is an isosceles triangle with \(\angle\text{C}=90^\circ\) and AC = 5cm. then, AB = ?
1 2.5cm.
2 5cm.
3 15m.
4 \(5\sqrt2\text{cm.}\)
Explanation:
\(5\sqrt2\text{cm.}\) 9 \(\triangle\text{ABC}\) is an isosceles triangle \(\angle\text{C}=90^\circ\) AC = 5cm BC = AC = 5cm In right \(\triangle\text{ABC}\) AB\(^{1}\) = AC\(^{1}\) + BC\(^{1}\) = (5)\(^{1}\) + (5)\(^{1}\) = 25 + 25 = 50 = 2 × 25 \(\text{AB}=\sqrt{2\times25}=5\sqrt2\text{cm}\)
PRACTICAL GEOMETRY
297696
Which of the following is not a criteria for the construction of triangle?
1 ASA
2 SAS
3 SSS
4 AAA
Explanation:
AAA
PRACTICAL GEOMETRY
297697
The number of lines of symmetry in the figure given below is: 0
1 4
2 8
3 6
4 Infinitely many
Explanation:
6 Line of symmetry is the line which divides a figure into two equal halves which are mirror image of each other. So for the given figure, it has six grooves or inside edge through which we can draw three lines of symmetry. The figure also has six outside edge through which we can draw three lines of symmetry. So total six lines of symmetry for the figure is six. The figure is as follows: 1
PRACTICAL GEOMETRY
297704
Mark \((\checkmark)\) against the correct answer. In \(\triangle\text{ABC}\) if \(\angle\text{A}=65^\circ\) and \(\angle\text{C}=85^\circ\) then \(\angle\text{B}={}?\)
1 25°
2 30°
3 35°
4 40°
Explanation:
30° In \(\triangle\text{ABC}\) \(\angle\text{A}=65^\circ,\angle\text{C}=85^\circ\) But \(\angle\text{A}+\angle\text{B}+\angle\text{C}=180^\circ\) (Angles of a triangle) \(\Rightarrow65^\circ+\angle\text{B}+85^\circ=180^\circ\) \(\Rightarrow150^\circ+\angle\text{B}=180^\circ\) \(\Rightarrow\angle\text{B}=180^\circ-150^\circ=30^\circ\)
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