English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

The ratio of the area of a circle to the area of its semicircle is - Mathematics

Advertisements
Advertisements

Question

The ratio of the area of a circle to the area of its semicircle is

Options

  • 2 : 1

  • 1 : 2

  • 4 : 1

  • 1 : 4

MCQ

Solution

The ratio of the area of a circle to the area of its semicircle is 2 : 1

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Measurements - Exercise 2.2 [Page 34]

APPEARS IN

Samacheer Kalvi Mathematics - Term 2 [English] Class 7 TN Board
Chapter 2 Measurements
Exercise 2.2 | Q 11 | Page 34

RELATED QUESTIONS

In the following figure, PQRS is a square of side 4 cm. Find the area of the shaded square. 

 


A circle is inscribed in an equilateral triangle ABC is side 12 cm, touching its sides (the following figure). Find the radius of the inscribed circle and the area of the shaded part.

 


In the following figure, there are three semicircles, A, B and C having diameter 3 cm each, and another semicircle E having a circle D with diameter 4.5 cm are shown. Calculate:

(i) the area of the shaded region

(ii)  the cost of painting the shaded region at the rate of 25 paise per cm2 , to the nearest rupee.

 


If the difference between the circumference and radius of a circle is 37 cm, then using π = \[\frac{22}{7}\] the circumference (in cm) of the circle is 


If a wire is bent into the shape of a square, then the area of the square is 81 cm2. When wire is bent into a semi-circular shape, then the  area of the semi-circle will be ______.


If the perimeter of a semi-circular protractor is 36 cm, then its diameter is 


The diameters of three wheels are in the ratio 2 : 4 : 8. If the sum of the circumferences of these circles be 132 cm, find the difference between the areas of the largest and the smallest of these wheels.


A pendulum swings through an angle of 30∘ and describes an arc 8.8 cm in length. Find the length of the pendulum in cm.


Area of a rectangle and the area of a circle are equal. If the dimensions of the rectangle are 14 cm × 11 cm, then radius of the circle is ______.


Find the area of the shaded region:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×