Xavier Aptitude Test 2018 Paper

Question : 50 of 99

Marks: +1, -0

If the diagonals of a rhombus of side 15 cm are in the ratio 3:4, find the area of the rhombus.

Solution:

Diagonals meet at 90° to each other in Rhombus

(1.5x)^2 + (2x)^2

15^2

x^2

= 36
x = 6
x = 6 [Pythagorean triplet]
Area =

1/2

× 3 × 6 × 4 × 6 = 216

cm^2

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