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S.chand books class 8 maths solution chapter 24 Circle exercise 24 A

EXERCISE 24 A

 


1. Calculate the length marked by x In each oi the following diagrams. the unit of length being cm. (O is the centre in each diagram)
(i)
(ii)
(iii)

2.In a circle with centre O and radius 13cm , AB is a chord. If OMperpendicularAB and OM=5cm , what is the length of AB ?

3.In a circle of radius 17 cm, find the distance of a chord of length 16cm from tne centre.

4.Circle are concentric with centre O. Find AC if OM=8cm , OC=10cm and OB=17cm

5.A chord , distacne 2cm from the centre , of a circel is 8cm long. Calculate the length of a chord of the same circle which is 6cm distance from the centre.

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