Mathematics: The square and the triangle have equal perimeters. (there is a picture of a square with one side shown as x-5 and there is a picture of a triangle with one side shown as 12 and the other two sides as x) a. find the value of x b. find the perimeter

The square and the triangle have equal perimeters.

Ответ:

juju1085

31.12.2021

A.
4(x-5) = 12 + x + x
4x - 20 = 12 + 2x
4x - 2x = 12 + 20
2x = 32
x = 16

B.
square's p = 4(x-5) = 4(16-5) = 4(11) = 44

triangle's p = 12+2x = 12+2(16) = 12+32 = 44

square's p = triangle's p ( correct )

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Ответ:

GreenHerbz206

01.12.2022

Mathematics

The answer is 83.3 79+42+86+103+79+111=500
500/6= 83.3

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The square and the triangle have equal perimeters. (there is a picture of a square with one side shown as x-5 and there is a picture of a triangle with one side shown as 12 and the other two sides as x)
a. find the value of x
b. find the perimeter

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