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kupik [55]
3 years ago
6

A triangle has one side that measures 12, another side that measures x, and the third side that measures 4 less than x. the peri

meter is 26.
which equation would use to find x
Mathematics
2 answers:
Marta_Voda [28]3 years ago
5 0

Answer:

The equation is 26 = 12 + x + (x-4) and the value of x is 9.

Step-by-step explanation:

We are given that a triangle has sides measuring 12, x and 4 less than x.

So, the sides of this triangle are 12 , x , x-4.

Also, perimeter of this triangle is given to be 26.

Since, Perimeter of a triangle = side + base + side.

Thus, 26 = 12 + x + (x-4)

i.e. 26 = 2x + 8

i.e. 26 - 8 = 2x

i.e. 18 = 2x

i.e. x = 9.

Hence, the equation to find x is 26 = 12 + x + (x-4) and the value of x is 9.

12345 [234]3 years ago
3 0
12 + x + x-4 = 26 is the formula to find x
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