NCERT Solutions of Areas Related to Circles Class 10
<< Solution of NCERT Exercise 10.2 - part - 6Solution of NCERT Exercise 11.3 >>

Area of Circles

Exercise 1

Question: 1. The radii of two circles are 19 cm and 9 cm respectively. Find the radius of the circle which has circumference equal to the sum of the circumferences of the two circles.

circle 15

Question: 2. The radii of two circles are 8 cm and 6 cm respectively. Find the radius of the circle having area equal to the sum of the areas of the two circles.

circle 16

Question: 3. Following figure depicts an archery target marked with its five scoring areas from the centre outwards as Gold, Red, Blue, Black and White. The diameter of the region representing Gold score is 21 cm and each of the other bands is 10.5 cm wide. Find the area of each of the five scoring regions.

circle 17
circle 18

Question: 4. The wheels of a car are of diameter 80 cm each. How many complete revolutions does each wheel make in 10 minutes when the car is travelling at a speed of 66 km per hour?

circle 20

Question: 5. Tick the correct answer in the following and justify your choice : If the perimeter and the area of a circle are numerically equal, then the radius of the circle is

(A) 2 units (B) π units (C) 4 units (D) 7 units

circle 21
  NCERT Solutions of Areas Related to Circles Class 10
<< Solution of NCERT Exercise 10.2 - part - 6Solution of NCERT Exercise 11.3 >>

Area of Circles will be available online in PDF book form soon. The solutions are absolutely Free. Soon you will be able to download the solutions.