Question

answer please me
help​

Answer 1

Step-by-step explanation:

Formula:

Each angle of a regular polynomial of n. side ={(n-2)180}/n

so here,

it is pentagon have 5 side.

each angle = {(5-2)180}/5 = 180°

thus angle 1 +angle 2+ angle 3 + angle 4 + angle 5 = 5 x angle of each side

= 5 x 180°

= 900°