the sides of a triangular plot are in the ratio 6:7:8 and it's perimeter is 420m. find its sides
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Step-by-step explanation:
Here Since the ratio given is 6:7:8 or it can be written as 6k:7k:8k .
all given perimeter is 420 m .
since perimeter is equal to sum of the sides so.
So, 6k+7k+8k = 420
21k =420
K=20
thus sides are 6×20 =120
7×20 =140
8×20 =160
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