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guapka [62]
3 years ago
7

The perimeter of an equilateral triangle is 15 inches more than the perimeter of a square, and the side of the triangle is 7 inc

hes longer than the side of the square.
Find the side of the triangle (Hint: An equilateral triangle has three sides the same length.)
The side of the triangle is __in3. - in. - in2.
Mathematics
1 answer:
kykrilka [37]3 years ago
4 0

The side of the triangle is 13 inches
Side of square. 6 inches

X= side of square

4x+15 =3(x+7)
4x+15=3x+21
x=6

6+7= 13

Perím square 6x4= 24
Perim triangle 13x3=39
39-24=15
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