7thGradeLoser 7thGradeLoser

21-12-2017
Mathematics

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The perimeters of the square and the regular pentagon are equal.

The perimeters of the square and the regular pentagon are equal class=

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wolf1728 wolf1728

21-12-2017

Since the perimeters are equal then:

(3x + 3) * 4 = (x + 8) * 5
12x + 12 = 5x + 40
7x = 28
x =4
Perimeter of square = (3*4 + 3) * 4 =
(12 + 3) * 4 = 60

Perimeter of pentagon = (4 + 8) * 5 =
(12) * 5 = 60

The answer is 60

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cutelittlema2468 cutelittlema2468

30-09-2020

Answer:

D) 60

Step-by-step explanation:

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