Answer :
Its A (1st one)
"The interior angles of both a regular and irregular pentagon have a sum of 540o. "
Regardless of it's shape if it's a polygon with 5 sides (whether is it regular or not) the interior angles with have the sum of 540 degrees.
"The interior angles of both a regular and irregular pentagon have a sum of 540o. "
Regardless of it's shape if it's a polygon with 5 sides (whether is it regular or not) the interior angles with have the sum of 540 degrees.