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The area of an equilateral triangle is s...

The area of an equilateral triangle is `sqrt(243)/4 sq cm`. Find the length of its side.

A

3 cm

B

`3sqrt(3)cm`

C

9 cm

D

`3sqrt(2)cm`

Text Solution

Verified by Experts

The correct Answer is:
D
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BHARDWAJ ACADEMY-MENSURATION -CHAPTER EXERCISE
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  2. Find the area of a square inscribed in a circle of radius 4 cm.

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  3. The area of an equilateral triangle is sqrt(243)/4 sq cm. Find the len...

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  9. A room 8 m long, 6 m broad and 3 m high has two windows of (3)/(2)mxx1...

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  11. If length of the rectangle is increased by 50% and breadth is decrease...

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  12. The areas of a square and a rectangle are equal. The length of the ...

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  13. The length, breadth and height of a cuboid are in the ratio 1:2:3. The...

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  14. The difference between outside and inside surface areas of cylindrical...

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  15. The ratio of the volume of the two cylinder, if the height of the firs...

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  16. A conical tent is to accommodate 10 persons. Each person must have 36m...

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  17. A hemispherical roof is on a circular room. Inner diameter of the roof...

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  18. The volume of the largest right circular cone that can be cut out of a...

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  20. The radii of the ends of a bucket of height 24 cm are 15 cm and 5 c...

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