# Introduction To Circles Free Doubts and Solutions

### CBSE - IX - Mathematics - Circles

## Please solve question no 11 with proper explanation

**adityaahuja099**28th November 2017, 5:45 PM

### CBSE - IX - Mathematics - Circles

## prove that the circle drawn with any side of a rhombus as diameter passes through the point of intersection of its diagonals

**jhmukherjee94**8th March 2016, 10:35 PM

### CBSE - IX - Mathematics - Circles

## a circle divides the plane on which it lies in 3 parts . how ? please explai

**daglipriya**19th February 2016, 10:04 PM

### CBSE - IX - Mathematics - Circles

## How do we prove the following theorem step by step:-
1.**if two arcs of a circle are congruent , then the corresponding chords are equal.**
**2. If two chords of a circle are equal, then their corresponding arcs are congruent.**

**if two arcs of a circle are congruent , then the corresponding chords are equal.**

**2. If two chords of a circle are equal, then their corresponding arcs are congruent.**

**nikhil**28th January 2016, 3:51 PM

### CBSE - IX - Mathematics - Circles

## 1. what is the sum of all digits of all the integers from 1 to 1000000 ?
2. a triangle with sides 5 , 12 and 13 has both an inscribed and a circum-scribed circle . what is the distance beween the centers of those circle ?
3. let x and y be two digit integers such that y is obtained b reversing the digits of x . suppose x and y also satisfies xsq.-ysq. =msq. for some positive integers m . what is the value of m+x+y ?

**dkvyas2005**21st January 2016, 11:16 PM

### CBSE - IX - Mathematics - Circles

##
Prove that the quadrilateral formed by the internal angle bisectors of any quadrilateral is cyclic ?

**shub3893**4th December 2015, 9:04 PM

### CBSE - IX - Mathematics - Circles

## This is the plan of jillian's square garden. All the curved lines in the plan are parts of circles. The pond is quater circle
The centre of the garden is at O.
plan of garden
What is the area of the grass , to the nearest ?

**shivbajaj_bkn**12th September 2014, 6:49 PM

### CBSE - IX - Mathematics - Circles

## Two circles intersect at two points A and B. AD and AC are diameters to the two circles. Prove that B lies on the line segment DC.

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Circles

## Prove that the angle subtended by an arc at the centre is double the angle subtended by it at any point on the remaining part of the circle.

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Circles

## Draw a circle with radius 2.1 cm. Draw three chords of the circle such that they form an equilateral triangle.

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Circles

## Draw a circle whose diameter is 4 cm. Mark the points P, Q, and R in the interior, exterior and on the circle respectively.

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Circles

## Draw a line segment AB of length 4.8 cm. Construct two semi-circles on opposite sides of AB such that half the length of AB is the diameter of each of the semi-circles.

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Circles

## What is the difference between a chord and secant of a circle?

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Circles

## Define centre of a circle.

**Topperlearning User**4th June 2014, 1:23 PM

### CBSE - IX - Mathematics - Circles

Three girls Reshma, Salma and Mandip are playing a game standing on a circle of radius 5m drawn in a park. Reshma throws a ball to Salma, Salma to Mandip, Mandip to Reshma. If distance between Reshma and Salma and between Salma and Mandip is 6m each, what is the distance between Reshma and Mandip?

**Ranjana Mariyam Raju**10th March 2014, 7:50 PM

### CBSE - IX - Mathematics - Circles

## Construct an isosceles triangle in a circle of radius 3 cm. Measure the length of the three sides.

**Topperlearning User**16th December 2013, 7:59 AM

### CBSE - IX - Mathematics - Circles

## Define sector of a circle.

**Topperlearning User**16th December 2013, 7:55 AM