## Prove that if chords of congruent circles subtend equal angles at their centres, then the chords are equal. Q.2

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Give me the best and simple way for solving the question of class 9th of Circles chapter of math of ...Read more

## Recall that two circles are congruent if they have the same radii. Prove that equal chords of congruent circles subtend equal angles at their centres. Q.1

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What is the simplest way for solving the question of class 9th of exercise  10.2 of math of question no.1 ...Read more

## Prove that opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the centre of the circle. Q.13

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How i prove the question of class 10th ncert question from exercise 10.2 of circles chapter of question no.13, it ...Read more

## A triangle ABC is drawn to circumscribe a circle of radius 4 cm such that the segments BD and DC into which BC is divided by the point of contact D are of lengths 8 cm and 6 cm respectively (see Fig. 10.14). Find the sides AB and AC. Q.12

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Please suggest me the best way to solve the problem of question from circles chapter of exercise 10.2 of ncert ...Read more

## Prove that the parallelogram circumscribing a circle is a rhombus. Q.11

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How i prove the parallelogram of question no.11 of ncert class 10th book of exercise 10.2, please give me the ...Read more

## Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line-segment joining the points of contact at the center. Q.10

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How i prove the angles type question of class 10th ncert book of exercise 10.2 of circles chapter, i don’t ...Read more

## In Fig. 10.13, XY and X′Y′ are two parallel tangents to a circle with centre O and another tangent AB with point of contact C intersecting XY at A and X′Y′ at B. Prove that ∠ AOB = 90°. Q.9

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Sir please help me for solving this question of class 10th of ncert book of math of circles chapter and ...Read more

## A quadrilateral ABCD is drawn to circumscribe a circle (see Fig. 10.12). Prove that AB + CD = AD + BC Q.8

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The question from class 10th ncert book of exercise 10.2 of question no.8 of circles chapter, how i solve this ...Read more

## Two concentric circles are of radii 5 cm and 3 cm. Find the length of the chord of the larger circle which touches the smaller circle. Q.7

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What is easy way to solve the question of class 10th of circles chapter of exercise 10.2 of question no.7, ...Read more

## The length of a tangent from a point A at distance 5 cm from the centre of the circle is 4 cm. Find the radius of the circle. Q.6

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Sir how i solve this question of class 10th of exercise 10.2 of ncert math of question no.6, give me ...Read more