Each side a rhombus is 10 cm long and one of its diagonals measurs 16 cm. Find the length of the other diagonals and hence find the area of the rhombus.
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Answer:
Given that :-
Each side a rhombus is 10 cm long and one of its diagonals measurs 16 cm.
To find:
the length of the other diagonals and hence find the area of the rhombus.
Diagonals of a rhombus bisect each other at right angles.
Let ABCD be the rhombus, Diagonal AC= 16 cm and side AB = 10 cm.
In right triangle AOB, AB = 10 cm, AO = 8 cm
By Pythagoras theorem, AB^2 = AO^2 + BO^2
(10)^2 = (8)^2 + BO^2
BO^2 = (10)^2 – (8)^2
BO = 6 cm
Now,
=> Hence length of other diagonal = 12 cm
=> Area of rhombus = 96 cm^2
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