# CBSE Class 10-Mathematics: Chapter – 12 Areas Related to Circles Part 4 (For CBSE, ICSE, IAS, NET, NRA 2023)

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Question 2:

Figure depicts an archery target marked with its five scoring areas from the center outwards as Gold, Red, Blue, Black, and White. The diameter of the region representing Gold score is and each of the other bands is wide. Find the area of the five scoring regions.

Gold: Diameter

Area of gold scoring region

Red: Area of red scoring region

Blue: Area of blue scoring region

Black: Area of black scoring region

White: Area of white scoring region =

Question 3:

The wheels of a car are of diameter each. How many complete revolutions does each wheel make in minutes when the car is travelling at a speed of per hour?

Diameter of wheel

Distance covered by wheel in one revolution

Distance covered by wheel in 1 hour

Distance covered by wheel in 10 minutes

No. of revolutions

Question 4:

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

(A)

(B)

(C)

(D)