1. The sum of the interior angles of a regular decagon is:
A. 360°
B. 1 440°
C. 1 800°
D. 1 620°
2. The sum of the exterior angle of a regular Triskaidecagon is:
A. 150°
B. 180°
C. 360°
D. 270°
3. The sides of a given triangle are given as 8cm – 8cm – 10cm, therefore the triangle is a:
A. Scalene Triangle
B. Isosceles Triangle
C. Equilateral Triangle
D. Obtuse Triangle
4. The length of a given Rectangle is given as (4x +17) and (6x + 13). What is the length of the given rectangle?
A. 19
B. 21
C. 25
D. 27
5. The measure of the base angles of a given Isosceles Triangle is 65°, what is the measure of the apex angle?
A. 65°
B. 50°
C. 75°
D. 60°
6. The measure of the consecutive angles of a given parallelogram is 9 more than twice the measure of the other. What is the measure of the two angles?
A. 123° and 57°
B. 96° and 84°
C. 59° and 59°
D. 61° and 61°
7. The first pair of base angles of a given Isosceles Trapezoid measures (5x + 18)° and (3x + 24)°. What is the measure of the second/ other pair of base angles?
A. 33°
B. 48°
C. 147°
D. 138°