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## Answers

Divide 84 by the sum of the ratios

84 divided by (3+2+2)=?

84/7=12

Multiply 12 to the ratio

12(3)=36

12(2)=24

12(2)=24

The length of the sides are 36 cm, 24 cm, and 24 cm. The triangle is an isosceles triangle.

Checking:

36+24+24=¿

36+24+24=84