If the area of an equilateral triangle is 64 cm sq then find the length of its side
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h3=64
h=4cm
ans. should be 4 cm.
hope it helps
GUD LUCK
h=4cm
ans. should be 4 cm.
hope it helps
GUD LUCK
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Answered by
1
Fist we find height
By Pythagoras theorem
H=√3/2L
.•.area of triangle=1/2 ×b×h
64=1/2×L×√3/2L
64=√3/4 ×L^2
L^2=64×4/√3
L=√64×4/√3
L=16/√3
By Pythagoras theorem
H=√3/2L
.•.area of triangle=1/2 ×b×h
64=1/2×L×√3/2L
64=√3/4 ×L^2
L^2=64×4/√3
L=√64×4/√3
L=16/√3
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