Question

The figure shown is a regular pentagon. What is the value of p?

Answer 1

There's the pic

Answer 2

firstly the size of one interior angle will be 108degrees

Answer 3

3p=180-108 3p=72 p=24

Answer 4

So wait... how did you get 108?

Answer 5

180(n-2)/n use this

Answer 6

180(5-2)/5 =108 for each interior angle the other formula 180(n-2) is used to find out the sum of interior angles whereas this one is used to find the size of one interior angle

Answer 7

i think i get it... thanks 4 explaining it :)