Area of a rhombus is 2209 square cm. If the length of one of the diagonals is 47 cm, find the length of the other diagonal.
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Answer:
Area of rhombus =966cm
2
One length of diagonal (d
2
)=46cm
⇒ The are of rhombus =
2
d
1
d
2
⇒ 966=
2
46×d
2
⇒ 966=23×d
2
⇒ d
2
=
23
966
⇒ d
2
=42cm
∴ The length of other diagonal is 42cm.
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