SUMMATIVE TEST
Choose the letter of the correct answer. Encircle the letter of your choice
1
The interior angle is an angle found inside the polygon
A Always true
B. Sometimes true
C. Never true
D. False
The sum of all the exterior angles is equal to 360° regardless of the number of sides of a polygon.
A Always true
B. Sometimes true.
C. Never true
D. False
What is the formula in finding the sum of the interior angles of a polygon?
A S = (n + 2)(180)
B. S = (n - 2) (180)
C. S=(n + 2) + (180)
D. S = (n - 2) = (180)
3
4. A polygon with the sum of the interior angles equal to 720° is a
A. Square
B. Pentagon
C. Hexagon
D. Heptagon
5. If I am going to find for the sum of the angles of the interior angles of a decagon, which of the
following formulae will I use?
A. S=(8) (108)
B. S=(8) (180)
C. S= (10) (108)
D. S=(10)(180)
6. One of the exterior angles of a polygon measures 40° What polygon is this?
A. Hexagon
B. Heptagon
C. Octagon
D. Nonagon
7
How will I solve for the measure of one of the exterior angles of a pentagon?
A. 180 - 5
B. 360 - 5
C. 540 - 5
D. 720 = 5
8.
What is a polygon whose interior angles measures 135º?
A. Hexagon
B. Heptagon
C. Octagon
D. Decagon
9.
What is the sum of the exterior angles of a dodecagon?
A. 360°
B.720°
C. 1800°
D 2160°
10. Which of the following is TRUE?
A. A pentagon is a seven-sided polygon.
В. A pentagon has an interior angle sum of 720°
C. A pentagon has the sum of the exterior angles of 360°
D. One of the interior angles of a pentagon measures 180°​