question_answer

The diameter of circum circle of a rectangle is 10 cm and breadth of the rectangle is 6 cm. Its length is

A) 6cm                

B) 5cm

C) 8cm                

D) None of these

Correct Answer: C

Solution :

As shown in the diagram, we have a right angled triangle. Let the length of rectangle be x. Then,  \[{{x}^{2}}+{{6}^{2}}={{10}^{2}}\Rightarrow x=8\,cm.\]