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