9. A polygon with all congruent sides and congruent angles is termed as
A. regular B. equilateral C. equiangular D. right
10. Which of the following statement below is TRUE about triangle?
A. A triangle can have at most 3 acute angles.
B. A triangle can have two obtuse interior angles.
C. A triangle can have exactly one acute angle.
D. A triangle can have two right angles.
11. It is an angle outside the polygon formed by one of its sides and extension of
an adjacent side
A. Adjacent B. Exterior C. Interior D. Supplementary
12. The interior and exterior angle of a convex polygon are
angle.
A. Adjacent
B. Exterior
C. Interior
D. Supplementary
13. If the measure of one interior angle of a polygon is 120, what is the measure
of its exterior angle?
A. 60°
B. 120°
C. 140°
D. 160°
14. What is the formula in finding the sum of the interior angle of a convex
polygon?
360
(n-2)180
A. (n-2) 180 B.
C. (n) 180-2 D.
n
n
15. What is the sum of the interior angle of Heptagon?
A. 360°
B. 720
C. 900°
D. 1080°
D.720°
16. What is the sum of the interior angle of a triangle?
A. 180°
B. 360°
C. 540°
17. What is the sum of the exterior angle of pentagon?
A. 180°
B. 360°
C. 540°
18. Find the measure of each interior angle of an octagon.
A. 135
B. 180°
C. 240°
D.720°
D. 270°
19. What is the measure of each exterior angle of 10 sided polygon?
A. 30
B. 36
C. 60
D. 72°
20. What is the measure of each interior angle of a 15 sided polygon?
A. 120
B. 156
C. 180°
D. 200​