EASY
7th CBSE
IMPORTANT
Earn 100

Find the area of a circle whose diameter is 28 cm. (Use π=227)

Important Questions on Mensuration

EASY
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20F>Q 2
If the area of a circle of diameter 1.4 m is A m2, then find the value of A. (Use π=227)
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20F>Q 3
The circumference of a circle is 264 cm. Find its area. (Use π=227)
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20F>Q 4
The circumference of a circle is 35.2 m. Find its area. (Use π=227)
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20F>Q 5
The area of a circle is 616 cm2. Find its circumference. (Use π=227)
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20F>Q 6
The area of a circle is 1386 m2. Find its circumference. (Use π=227)
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20F>Q 7
The ratio of the radii of two circles is 4:5. Find the ratio of their areas.
MEDIUM
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20F>Q 8
A horse is tied to a pole in a park with a string 21 m long. Find the area over which the horse can graze. (Use π=227)
HARD
7th CBSE
IMPORTANT
MATHEMATICS FOR CLASS 7>Chapter 20 - Mensuration>EXERCISE 20F>Q 9
A steel wire when bent in the form of a square encloses an area of 121 cm2. The same wire is bent in the form of a circle. Find the area of the circle. (Use π=227)