the area of an equilateral triangle whose side is 8 min give the answer correct to two decimal places
Nobita678:
hey is the answer is 27.71?
???????????????
Yes it's Right .. But who u find it
The formula for area of an equilateral triangle is:
√34(side)2
the side =8cm
(assuming the unit to be in cm)
area = √34(side)2
=0.433×(8)2
=0.433×64
area ≈27.71cm2
√34(side)2
the side =8cm
(assuming the unit to be in cm)
area = √34(side)2
=0.433×(8)2
=0.433×64
area ≈27.71cm2
Thanks alottt
you can derive that formular using heron's formula.
Thank u so much
welcome.
Answers
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area of equilateral triangle=√3÷4×a^2
√3÷4×8^2
√3÷4×64
√3×16
16√3m^2
16×1.73
27.68m^2
√3÷4×8^2
√3÷4×64
√3×16
16√3m^2
16×1.73
27.68m^2
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