_17.) Find the sum of the measures of the interior angles of a decagon (10-sided polygon).
A. 1440
B. 144
C. 14
D. 10
_18.) Find the sum of the measures of the Interior angles of an Octagon (8-sided polygon).
A. 1080
B. 150
C.150
D. 118
_19.) The coordinate of Bis-5 and C is then fine segment BC is congruent to line segment AB. What is the distance of line segment BC?
A. 12
B. 13
C. 14
D. 15
_20.) A is a quadrilateral with no pair of opposite sides that are parallel.
A. Parallelogram
B. Square
C. Trapezoid
D. Trapezium
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Answer:
17. A. 1440
18. A. 1080
19. A. 12
20. D. Trapezium
Step-by-step explanation: