Math, asked by shilpamaiti16, 6 months ago

find the area of a triangle whose sides are in the ratio 10:9:7 and its perimeter is 130cm​

Answers

Answered by yoyostar
0

Step-by-step explanation:

let the sides be 10x,9x,7x

gn: perimeter=130cm

10x+9x+7x=130

26x=130

x=130/26=5

the sides are 50cm,45cm,35cm respectively

by using heron's formula:

S=130/2=65cm

A=√[(s(s-a)(s-b)(s-c)]

=√[65*15*20*30]

=√(585000)

764.85cm²

Answered by apparor468
1

A cricketer has to score 4500 runs. Let anan denotes the number of runs he scores in

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