Question

find the sum of all the angles in a regular Pentagon with explanation​

Answer 1

Answer:

From vertex A we can draw two diagonals which separates the pentagon into three triangles. We multiply 3 times 180 degrees to find the sum of all the interior angles of a pentagon, which is 540 degrees.

hope it help ...........

Answer 2

$\textbf{Pentagon}$ have 5 sides

Means answer is 5