Calculate the area of a circle with radius of 6cm

Area of a circle = 

Radius = 6

Substitute r as 6, and you get: 

 

The final answer is ≈ 113.1 as 6² = 36, and 36 × π ≈ 113.1. 

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .