Which of the following is a formula to find the sum of interior angles of a quadrilateral of n-sides?
(a) n2 × 90 (b) n+12 ×180 (c) n-12 ×180 (d) (n- 2) × 180
Answers
Answered by
18
Answer:
D) ( n - 2 ) × 180
Step-by-step explanation:
For example you have an 18 sided polygon -
N-2 × 180
18 - 2 × 180
16 × 180
= 2880
Answered by
1
Answer:
D)(n- 2) × 1
Step-by-step explanation:
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