Question

Find the area of rhombus whose side is 7.5cm and whose altitude is 4cm. If one of its diagonals 8cm long find the length of the other diagonal.

Answer 1

if one of the diagonals is 8 cms then the other should be found by finding the area first by

A=d1 x d2/2

so that must be 40cmSq

and to find the other diagonal

d2=2 x A/d1

= 2 x 40/8

= 2 x 5

= 10 cms

Answer 2

Answer:

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