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KVeeranna

· started a discussion

· 1 Months ago

Good question (Question:186043.0)

Very useful

Question:
The area of an equilateral triangle is 48\(\sqrt{3}\) sq. cm. The length of the side is –
Options:
A) \(\sqrt{8} × 4 \ cm \)
B) \(4\sqrt{3} \ cm \)
C) \(8\sqrt{3} \ cm \)
D) 16 cm 
Solution:
Ans: (c) Area of the equilateral triangle 

= 48 \(\sqrt{3}\) cm2

\(\cfrac{\sqrt{3}}{4} × (side)^2 = 48 \sqrt{3}\)

side = \(\sqrt{48 × 4} = 8 \sqrt{3}\) cm 

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