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The side of an equilateral triangle is 4...

The side of an equilateral triangle is 4 cm. What is its area ?
एक समबाहु त्रिभुज की भुजा 4 cm है | उसका क्षेत्रफल कितना है?

A

`8 sqrt3 cm^2`

B

`6 sqrt3 cm^2`

C

`9 sqrt3 cm^2`

D

`4 sqrt3 cm^2`

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The diagonal of a square is equal to the side of an equilateral triangle. If the area of the square is 18 sqrt 3 sq.cm. What is the area (in cm^2 ) of the equilateral triangle? किसी वर्ग का विकर्ण एक समबाहु त्रिभुज की भुजा के बराबर है | यदि वर्ग का क्षेत्रफल 18 sqrt 3 वर्ग सेमी है, तो समबाहु त्रिभुज का क्षेत्रफल ( वर्ग सेमी में ) ज्ञात करें |

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