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- 1. Multiple Choice
How many sides are there in a heptagon?
9
5
7
6
- 2. Multiple Choice
How many acute angles are there in right angled triangle?
1
4
2
3
- 3. Multiple Choice
What is the complement of 53°?
33°
47°
37°
127°
- 4. Multiple Choice
The sum of supplementary angles is....
90°
120°
360°
180°
- 5. Multiple Choice
The measures of two vertically opposite angles are 2x and x+60 respectively.The value of x......
120°
30°
60°
20°
- 6. Multiple Choice
The measures of two adjacent angles in a straight line are (2x)° and (3x)° then the value of (2x)° is....
72°
36°
18°
102°
- 7. Multiple Choice
How many obtuse angles are there in right angled triangle?
1
2
3
none
- 8. Multiple Choice
In triangle ABC If <A= 2x, <B= 3x and x=20° , what is the measure of <C?
72°
80°
100°
36°
- 9. Multiple Choice
If (x+20)° and (2x-10)° are opposite angles of //gm. What is the value of x?
30°
10°
(170/3)°
85°
- 10. Multiple Choice
What is the value of interior angle of regular octagon?
60°
108°
135°
120°
- 11. Multiple Choice
What is the formula for sum of interior angles of polygon?
360/n
180/(n-2)
180°(n-1)
180°(n-2)
- 12. Multiple Choice
What is the exterior angle of regular heptagon?
60°
72°
45°
30°
- 13. Multiple Choice
In a triangle exterior angle is 120° and two opposite interior angles are 75° and a, find the value of a.
35°
55°
60°
45°
- 14. Multiple Choice
Which is not a characterstic of rhombus?
diagonals bisect each other at 90°
All sides are equal.
diagonals are equal.
opposite angles are equal.
- 15. Multiple Choice
Which is not a characterstic of rectangle?
All angles are equal.
All sides are not equal.
diagonals are equal.
diagonals bisect each other at 90°
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