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Question:

A rectangle is cut in half to create two squares that each have an area of 25. What is the perimeter of the original rectangle?

A 30
Explaination

The correct answer is (C). The formula to find the area of a square is Side × Side. If each square has an area of 25, then each side of the square must be 5 (because 5 × 5 = 25). So the dimensions of the rectangle are 5 × 10. The perimeter is the sum of all the sides, and is therefore 5 + 10 + 5 + 10 = 30.