Question

in pentagon abcde find the value of A+B+C+D+E​

Answer 1

Step-by-step explanation:

180-72 = 108

A+B+C+D+E = 108 + 108 +108 +108 +108

= 108 × 5

= 540°

Answer 2

Answer:

So here in case of Pentagon

each exterior angle=360/5=72

each interior angle= 180-72=108

sum of all interior angles=108×5=540°