find the area of an equilateral triangle each of whose side is measures 18 cm
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Answered by
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Area of an equilateral triangle is√3/4 a2.
a = 18
Area = √3/4a2
= √3/4*18*18
= √3/4 *324
= √3 *81
So, I think the answer is 81√3cm2.
a = 18
Area = √3/4a2
= √3/4*18*18
= √3/4 *324
= √3 *81
So, I think the answer is 81√3cm2.
pradeep85:
no! wrong answer
Answered by
1
Step-by-step explanation:
Area of given triangle=(√ 3/4×a^2)
(√3/4×18×18) =(1.73×324/4)
140.13
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