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the base of an isosceles triangle is one third the lenght of each congruent sides the perimeter of the triangle is 84 cm how long is the base?
15 years ago

Answers

Damon
If the base is x
each side is 3 x
the perimeter is x + 3 x + 3 x = 7 x
so
7 x = 84
x = 12
15 years ago

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