The perimeter of a triangle is 300 m , if its sides are in the ratio 3 : 5 : 7 . Find the longest sides
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Answer:
Step-by-step explanation: 3x+5x+7x=300
15x=300
X=300/15=20
3x=60
5x=100
7x=140
Longest side is 140
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Hello!
Here is the answer for your question!
Question:- The perimeter of a triangle is 300 m , if its sides are in the ratio 3 : 5 : 7 . Find the longest side.
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Answer:-
Given:
- Perimeter of triangle = 300m
- Ratio of sides = 3 : 5 : 7
- Perimeter of triangle = sum of lengths of three sides
From the information given;
= 3x + 5x + 7x = 300
15x = 300
x = 20
From the ratios longest side = 7x = 7×20 = 140cm
Length of longest side of the triangle is 140cm
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