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Perimeter And Area Of Circles Free Doubts and Solutions

CBSE - VII - Mathematics - Perimeter and Area

The diameter of a circular garden is 84 m. On its outside,there is around 3.5 m wide. Find the cost of constructing the road at Rs 20 per square meter.

Asked by Upal36745 3rd January 2019, 9:29 PM
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CBSE - VII - Mathematics - Perimeter and Area

Circumference of two circles are respectively 88m and 220m. What is the difference between in areas between two circles 

Asked by www.manojyadav1485 25th December 2018, 6:37 PM
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CBSE - VII - Mathematics - Perimeter and Area

perimeter of semicircle pi=3.14 and radius=2.8 cm  

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Asked by rushiardad777 16th December 2018, 9:51 PM
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CBSE - VII - Mathematics - Perimeter and Area

Semicircular parks are made with all sides of a square field with side 14 m find area of the four semicircluar park

Asked by gurdayalmalhi 12th November 2018, 8:57 PM
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CBSE - VII - Mathematics - Perimeter and Area

The diameter of a cycle wheel is 70cm . How far will it go in 20 revolutions?

Asked by raashi.bhatjiwale 7th March 2018, 12:44 PM
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CBSE - VII - Mathematics - Perimeter and Area

the diameter of a wheel is 1.26m.how far will it go in 20 revolutions?

Asked by raashi.bhatjiwale 7th March 2018, 12:40 PM
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CBSE - VII - Mathematics - Perimeter and Area

Anu wants to put a lace to decorate the edge of a circular cake having diameter 12 cm. Find the length of lace required and also the cost, if 1 cm of the lace costs Rs. 2.

Asked by Topperlearning User 6th June 2016, 4:36 PM
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CBSE - VII - Mathematics - Perimeter and Area

The diameter of a circular pipe is 20 cm. What length of a tape is required to wrap twice around the pipe? (Take straight pi= 3.14)

Asked by Topperlearning User 8th December 2015, 3:27 PM
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CBSE - VII - Mathematics - Perimeter and Area

I need extra questions that indulge all the the perimeter and area of -
squares, rectangles, parallelograms, triangles, circles.
Mixed questions

Asked by archanagoel23 7th December 2015, 4:40 PM
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CBSE - VII - Mathematics - Perimeter and Area

The radius of a wheel of a bus is 0.70m. How many revolutions will it make in covering 22 km.

Asked by siddharth 1st March 2015, 2:31 PM
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CBSE - VII - Mathematics - Perimeter and Area

WHY PI IS NOT A RATIONAL NUMBER?

Asked by okpsajitha 17th February 2015, 1:58 PM
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CBSE - VII - Mathematics - Perimeter and Area

WHAT DO WE MEAN BY- THE RATIO OF THE CIRCUMFERENCE OF A CIRCLE AND ITS DIAMETER IS ALWAYS CONSTANT ?

Asked by Ruchi 26th January 2015, 3:59 PM
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CBSE - VII - Mathematics - Perimeter and Area

What is the circumference of a circle with radius 14 cm?

Asked by Topperlearning User 14th October 2014, 10:42 AM
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CBSE - VII - Mathematics - Perimeter and Area

The area of a circular cardboard sheet is 154 cm2. Find the radius of sheet.

Asked by Topperlearning User 14th October 2014, 10:41 AM
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CBSE - VII - Mathematics - Perimeter and Area

Find the area and circumference of a circular park whose radius is 20 cm.

Asked by Topperlearning User 8th August 2014, 12:52 PM
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CBSE - VII - Mathematics - Perimeter and Area

A wire is in the shape of a square of side 22 cm. If the wire is re-bent into a circle, find its radius. Also, find the area of circle.

Asked by Topperlearning User 15th December 2013, 5:43 AM
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CBSE - VII - Mathematics - Perimeter and Area

In the figure given below, a circle is inscribed inside another circle. The radius of the outer circle is 12 cm and that of the inner circle is 7 cm. Find the area of the shaded portion between the circles.

Asked by Topperlearning User 25th November 2013, 1:27 AM
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CBSE - VII - Mathematics - Perimeter and Area

Find the circumference of a circular disc with diameter 9 cm.

Asked by Topperlearning User 25th November 2013, 1:15 AM
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CBSE - VII - Mathematics - Perimeter and Area

Find the area of a circle of radius 10 cm (use  = 3.14).

Asked by Topperlearning User 25th November 2013, 1:13 AM
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CBSE - VII - Mathematics - Perimeter and Area

What will be the radius of a circular park having circumference equal to 396 m?

Asked by Topperlearning User 25th November 2013, 1:12 AM
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