Math, asked by timberwolves7l96, 7 months ago

Using heron's formula :-
3] The perimeter of a trainanguber
feid is 420 cm and its sides
are on the ratio of 6:7:8thn find the area

Answers

Answered by pushkar9497

1

LET THE RATIO= x

P=A+B+C. A=6x,B=7x,C=8x

420=6x+7x+8x. A=120cm,B=140cm

420=21x

420/21= x

X=20

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