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Asked by bella

the sides of a triangle are (x+2),(3x+1), and (x+7) find the value of x if the perimeter is 140cm
12 years ago

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Answered by Ms. Sue
140 = x + 2 + 3x + 1 + x + 7

140 = 5x + 10

130 = 5x

26 = x

12 years ago
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the sides of a triangle are (x+2),(3x+1), and (x+7) find the value of x if the perimeter is 140cm

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