4. Match the formula and solve the problems based on interior and exterior angle property

Match the formula:

1. Sum of all exterior angles of any polygon is

Answer variants:

(n-2)×180°

(n-2)×180°/n

360°/n

360°

2. Sum of each interior angle of a regular decagon is

i

\(°\).

3. The number of diagonals in a convex pentagon is .

Did you find an error?