Question

The area of a rhombus is 132 cm2 if length of one of its the diagonal is 12cm then what is the length of the other diagonal​

Answer 1

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if d1 = 11 cm, then d2 = 2*132/11 = 24 cm.

The other diagonal = 24 cm.

Method 2: Area of rhombus = 132 sq cm.

Area of each triangle = 132/2 = 66 sq cm.

If the base of the triangle = 11 cm, the altitude of the triangle = 66*2/11 = 12 cm.

The other diagonal = 2 * altitude of the triangle = 2*12 = 24 cm.