Math, asked by nanninikki140, 1 year ago

the side of triangle are 21 17 10cm find its area

Answers

Answered by abhi569
3
By herons formula
Semi-perimeter=(21+17+10)/2 =48/2=24

√{24(24-21)(24-17)(24-10)}

√{24*3*7*14}

√7056

84cm² is the area of triangle

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It is correct.
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