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a square of the side lenght of 6cm has the same area as this rectangle . find the perimeter of the rectangle.

plz give full explanation

A Square Of The Side Lenght Of 6cm Has The Same Area As This Rectangle Find The Perimeter Of The Rectangleplz Give Full Explanation class=

Sagot :

lyn115

Answer:

The perimeter of the rectangle is 26 cm

Step-by-step explanation:

First find the area of the square by multiplying 6 by itself

A = 6 cm * 6 cm = 36 sq cm

Since the rectangle has the same area as the square, we can say that w * 9 = 36 sq cm

w * 9 = 36

Divide both sides by 9 to isolate the variable, w

w * 9 / 9 = 36 / 9

w = 4 cm

The width of the rectangle is 4 cm so now we just use that to find the perimeter of the rectangle

P = 2(9) + 2(4) = 26 cm