Question

Find the sum of the measure of the interior angles of a convex 70-gon

Answer 1

You would use the equation (n-2)x180.
So it would be 70-2 which is 68
Then you multiply 68 by 180 and the answer is 12240

Answer 2

Using the formula, (n - 2) × 180°, the sum of measures of interior angles of a convex 70-gon is: 12,240°

Recall:

• Formula for finding the sum of the interior angles of an n-polygon is given as: (n - 2) × 180°

Thus, a convex 70-gon has 70 interior angles (n = 70).

Therefore, the sum of the measure of all the interior angles of the 70-gon would be solved as follows:

(n - 2) × 180°

• Substitute

(70 - 2) × 180°

68 × 180°

12,240°

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