Question

please answer 11 to 20 fast​

Answer 1

Answer:

15.49 sq.cm

16. regular polygon is a flat shape whose sides are all equal and whose angles are all equal. The formula for finding the sum of the measure of the interior angles is (n - 2) * 180. To find the measure of one interior angle, we take that formula and divide by the number of sides n

I tried but sorry I connot

Answer 2

Answer:

You learned that formula for Diagonal is a√2

So a = 7 which is the side

now area = a X a

= 7 X 7 = 49 cm.sq