Question

The perimeter of a triangle is 600m.If the ratio of its sides is 12:13:15 then find the longest side.

Answer 1

The perimeter of a triangle is 600m.If the ratio of its sides is 12:13:15 then find the longest side.

Solution - The required length of the longest side is 225 metres.
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Answer 2

We will divide 600 into such parts that they are in the ratio of 12:13:15.
Now, 12+13+15 = 40
$600 \times \frac{12}{40} = 180 \\ 600 \times \ \frac{13}{40} = 195 \\ 600 \times \frac{15}{40} = 225$

Now, we can say that
180:195:225
= 12:13:15

Ans :- The length of the longest side is 225m.