Answer:
5 sides
Explanation:
the sum of the interior angles of a polygon is
sum = 180° ( n - 2) ← n is the number of sides
given sum is 6 right angles = 6 × 90° = 540° , then
180° (n - 2) = 540° ( divide both sides by 180° )
n - 2 = 3 ( add 2 to both sides )
n = 5
that is the number of sides is 5