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

A 30
Explaination
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 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.
B 20
C 25
D 50