One diagonal of a rhombus is 8√3 cm. If the other diagonal is equal to its side, then the area (in cm2 ) of the rhombus is:

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SSC CHSL 2020 Official Paper 1 (Held On: 12 April 2021 Shift 1)
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  1. 16√3
  2. 32√3
  3. 12√3
  4. 24√3

Answer (Detailed Solution Below)

Option 2 : 32√3
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Detailed Solution

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Given:

D1 =  8√3 cm , D2 = side of the rhombus = a 

Concept:

The diagonals of a rhombus bisect each other at right angles.

Formula used:

Area of a rhombus = 1/2 × Diagonal1 × Diagonal2

Calculation:

F1 Harshit 15-09-21 Savita D6

By Pythagoras theorem

a2 = a2/4 + (4√3)2

⇒ a2 = 64 

⇒ a = 8 cm = D2

∴ The area of the rhombus = 1/2 × 8 × 8√3

⇒ 32√3 sq. cm

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