Question

What is the perimeter of the rectangle?
2 + square root 5 cm
6 +3 square root 5 cm

Answer 1

Answer:

Just add up the measurements of the sides and then double the result.

(2 + √5 + 6 + 3√5) · 2

= (8 + 4√5) · 2

= 16 + 8√5 (cm)