The side of a rhombus is 5 cm. If the length of one diagonal of the rhombus is 8 cm, then find the length of the other diagonal.
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All the sides of rhombus are 5
Divide the rhombus in two parts by its diagonal of 8 cm
There will be two triangle
Sides of the triangle are 5,5 and 8
Use Heron formula to calculate the area of the triangle
It becomes 12
Then the area of rhombus =2*12=24=(1/2)×d1×d2
=(1/2)×8×d2
d2=6 Ans
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