Question

The area of rhombus is 120 cm2 and one of the diagonals is 8 cm. Find the other diagonal.

Answer 1

Answer:

area of rhombus =120 cm²

diagonal =8 cm

area of rhombus =d1 into d2

d1=8

d2=120/8=14

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Answer 2

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Given:

$Area \: of \: rhombus \: is \: 120 \: cm {}^{2}$

To Find:

Other diagonal.

Solution:

We know that

Area of Rhombus

$= \frac{1}{2} \times \: product \: of \: its \: diagonals$

$= > 120cm {}^{2} = \frac{1}{2} \times 8 \times d {}^{2}$

$= > d {}^{2} = \frac{120 \times 8}{2}$

$= > d{}^{2} = 30$

Hence, the value of other diagonal is 30