Question

the area of rombus is 120cm² and one of the diagonals is 8cm . Find the other diagonal. ​

Answer 1

Answer:

Area of a rhombus= 1/2 ×product of its diagonals

Area of a rhombus=1/2 ×d1 ×d2

⇒120= 1/2 ×8×d2

⇒d2= 120/4

=30cm

∴ the other diagonal is 30cm

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Answer 2

Answer:

Rhombus

Solve for diagonal

p=30cm

q Diagonal

8

cm

A Area

120

cm²

Using the formula

A=pq

2

Solving forp

p=2A

q=2·120

8=30cm

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