Question

Sides of a triangle are in the ratio 3 4 5 perimeter is 360m find area

Answer 1

QUESTION::

Sides of a triangle are in the ratio 3 4 5 perimeter is 360m find area.

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ANSWER::

As given,

➡They are in ratio of 3:4:5 .

Let the first number be 3m
Second number be 4m
Third number be 5m

According to question;
If the three sides are added then it will result 360m.

Equation according to question;
3m + 4m + 5m = 360
➡ 12m = 360

➡ m = $\frac{\large{360}}{\large{12}}$

➡ m = 30

So,

First number = 3m = 3 × 30 = 90
Second number = 4m = 4 × 30 = 120
Third number = 5m = 5 × 30 = 150

So,
First side = 90 meters
Second side = 120 meters
Third side = 150 meters

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