Question

If area of rhombus is 209 sq. cm. and one of its diagonal is 19 cm, find another diagonal.

Answer 1

Answer:

Area of a rhombus=

2

1

×Product of its diagonals

Area of a rhombus=

2

1

×d

1

×d

2

where d

1

=30cm

⇒150=

2

1

×30×d

2

⇒d

2

=

30

2×150

=10cm

∴ the other diagonal=10cm