britt1284 britt1284

20-02-2019
Mathematics

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A rectangle with perimeter of 56 centimeters is three times as long as it is wide. What is the area of the rectangle in square centimeters?

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Olivia123456 Olivia123456

20-02-2019

Answer:

A = 147 cm²

Step-by-step explanation:

x + 3x + x + 3x = 56 cm

8x = 56cm

x = 7cm

A = X × 3X

A = 7 × 3(7)

A = 7 × 21

A = 147 cm²

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