Challenger App

No.1 PSC Learning App

1M+ Downloads
A thread of length 528cm is used to form a circle. What will be the diameter of the circle formed?

A96 cm

B84 cm

C66 cm

D78 cm

Answer:

B. 84 cm

Read Explanation:

Length of the thread= perimeter of the circle 528 = 2πr 528 = 2 × 22/7 × r r = 528 × 7/( 2 × 22) = 84


Related Questions:

Find the perimeter of a sector with central angle 180 and radius 7cm
Sectors having equal central angle of two circles have arc lengths 1.28 and 0.32. What is the ratio of their radii
ഒരു വൃത്തത്തിന്റെ വ്യാസത്തിന്റെ ഒരറ്റം (1, 4). വൃത്തകേന്ദ്രം (3, -4) എങ്കിൽ വ്യാസത്തിന്റെ മറ്റേ അറ്റത്തിൻ്റെ സൂചക സംഖ്യകൾ ഏവ? .
The radii of two circles are 5cm and 12cm. The area of a third circle is equal to the sum of the area of the two circles. The radius of the third circle is :
Find the length of a sector with central angle 180 and radius 7cm