Question

how many degrees does a pentagon has

Answer 1

answer is Pentagon 540 degree

Answer 2

Sum of angles = ( 2n -4 ) 90° [n is no. of sides]
Pentagon has 5 sides
So sum of angles
= ( 2 × 5 -4 ) 90°
= (10 - 4) 90°
= 90° × 6 = 540°