The length of three median of a triangle are 9cm,12cm,15cm. Find its area.
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1
1/2× 9×12
6×9 = 56 cm²
6×9 = 56 cm²
Answered by
1
s=(9+12+15)/2=18
Area=√18(18-9)(18-12)(18-15) *4/3
= 72cmsq
Area=√18(18-9)(18-12)(18-15) *4/3
= 72cmsq
somnathsaha324pci6pb:
how is 4/3 coming?
heron's formula
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