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A square-shaped canvas painting was enlarged by adding a 4-centimeter wide decorative frame to the length and width of the canvas. If the area

of the framed painting is 625 square centimeters, what is the side length of the bare canvas?

A

17 centimeters

B.

19 centimeters

C

21 centimeters

D

25 centimeters

Respuesta :

abidemiokin

Answer:

21cm

Step-by-step explanation:

Area if the canvas = L²

If the length is increased by 4

A = L²

625 = L²

L = √625

L = 25cm

If the 4cm is added to the length of the canvas, the original length will be 25-4 = 21cm. hence the length of the bare canvas is 21cm

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