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CHAPTER 1:
POLYGONS
4. How many diagonals does a triangle have
A 0
B 1
DA
Which of the following shapes is a nanded polygon?
A pentagon
B. hexagon
6. How many vertices does a decagon have?
thepragon
Doctagon
AHEAD
In this chapter, you will learn about a special group of shapes defined by straight lines and
angles
. These shapes are all around you, from the things
you see in the classroom, to the creations
in nature. Here, you will draw these shapes and learn about their
special properties.
A 7
B 8
D 10
7 Which polygon has no interior angle greater than 180°
A comave
11 convex
(equiangular
Dimegular
8. Which is the sum of the measures of the interior angles of a bonagon
A 1,260
D 1.440
C1620
D. 1960
KNOWLEDGE CHECK
9. Which is the sum of the measures of the exterior angles of a 19-audal polygon
A 90°
B. 180
C 360°
D 540
Direction: On a separate sheet of paper, write the letter of the correct answer
1. Which of these figures is a concave polygon?
B
A
D
2. Which of the following descriptions states a fact about the exterior angles of a regular
polygon"
A acute
B. congruent
C complementary
D. supplementary
3. Which of the following quadrilaterals is NOT the same as the others?
A ABCD
B. DCBA
CCBAD
D CBDA
10. What do you call the 2 coplanar angles that have a common side and a common vertex, but
no common interior point
A adjacent
B congrent
C supplementary
D. complementary
11. Which of the following angle pairs is always supplementary
A adjacent
B. vertical
(linear pate
D. congruent
12 What do you call coplanar lines that do not intersect
A parallel
11. intersecting
perpendicular
D. congruent
13. Which of the following statements about an isosceles triangle is always true
A. It has two congruent sides
1. It is also an acute triangle
(
It is also a right triangle
D
It has one diagonal
14. Which of the following descriptions about a quadrilateral is NOT true
A. It has 4 sides
B It has 4 angles.
Chas 4 vertices
D. It has 4 diagonals
15. Which is the measure of each interior angle of a regular decagon?
A 80
B. 144
C180
D 360°


Sagot :

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