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

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)

the answer to your question a or b but i am pretty sure it is b. i hope this : )

step-by-step explanation:

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.