1.

Find area of triangle:- side are in ratio 7:9:10 and perimeter is 520cm​

Answer»

ANSWER:

Step-by-step EXPLANATION:

LET the SIDE be x

1st side=7x

2nd side=9x

3rd side=10x

there sum

7x+9x+10x=520

26x=520

x=520/26

x=20

side of the triangle=

1st side=7x20=140

2nd side = 9x20=180

3rd side=10x20=200



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