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maw [93]
3 years ago
5

Perimeter of an isosceles triangle is 35 cm if the length of a the congruent sides is 3 times the length of the third side what

are the dimensions
Mathematics
1 answer:
Dimas [21]3 years ago
5 0

Let the length of the shortest side = x

The two longer sides that are equal = 3x

The are two equal longer sides, so their total is 3x + 3x = 6x

3x+ 3x + x= 35  Collect like terms on the left

7x = 35               Divide by 7  on both sides

x = 35/7

x = 5

Answer

Two long sides -- 15 cm each

Shortest side -- 5 cm

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