Sum of interior angles in a polygon is 3240. How many sides are in the polygon?

Given: ∆mop p∆mop =12+4 3 m∠p = 90°, m∠m = 60° find: mp, mo

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

The curved part of the figure is the semicircle what is the best approximation for the area of this figure