SOLUTION: The perimeter of a rectangle is 52 cm, Its width is 10 cm. Find the length. Find the area of the retangle

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Question 947117: The perimeter of a rectangle is 52 cm, Its width is 10 cm. Find the length. Find the area of the retangle
Answer by MathLover1(20850) About Me  (Show Source):
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if the perimeter of a rectangle is P=52cm,and its width W=10cm, then
2L%2B2W=52cm
2L%2B2%2A10cm=52cm
2L%2B20cm=52cm
2L=52cm-20cm
2L=32cm
L=32cm%2F2
L=16cm...the length

the area of the rectangle is:
A=L%2AW
A=16cm%2A10cm
A=160cm%5E2