It is 24. You just add 3 each time. hope it helps!
The answers should be the last 2
Circular based pyramid I believe
The interior angle of a regular polygon is equal to each other since all sides of the polygon are congruent. The formula that expresses the relation of the sides of the polygon and the measurement of the interior angle is (n2)*180/n where n is 7. Each interior angle then measures 128.6 degrees.
Find 10% of it (just move the decimal point one spot to the left) and multiply by 4
