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A rectangle has an area of 112cm. The length and width of the rectangle are changed by a scale factor of 1.5. What is the area of the new rectangle?

Respuesta :

MathPhys

Answer:

252 cm²

Step-by-step explanation:

Area of a rectangle is width times length:

A = WL

If the width and length increase by a factor of 1.5:

A = (1.5 W) (1.5 L)

A = 2.25 WL

So the area increases by a factor of 2.25.

2.25 × 112 cm² = 252 cm²

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