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The length of one side of a rhombus is 6.5 cm and its altitude is 10 cm. If the length of its diagonal be 26 cm, the length of the other diagonal will be:
Answer & Solution
Correct Answer:
Option
A
(∴ Rhombus is a parallelogram ∴ area of Rhombus = base × height)
Area of Rhombus
= base × height
= 6.5 × 10
= 65 cm2
Also area of Rhombus = $$\frac{1}{2}$$ × d1 × d2
⇒ $$\frac{1}{2}$$ × 26 × d2 = 65
⇒ 13 × d2 = 65
⇒ d2 = 5 cm
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