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From a point A,the length of the tangent to a circle is 24cm and the distance if a from the center is 26cm.what will be the radius of the circle

Posted by Manyata Pathak 5 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Riya ? 5 years, 3 months ago

In triangle ABO , AB is tangent and AO is the distance from the centre and OB is the radius . So, by Pythagoras theorem we can see that AO^2= AB^2 + BO^2 OB^2= √AO^2 - AB^2 = √26^2-24^2 =√676-576 =√100 =10 : Thus, radius of the circle is 10cm

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CBSE > Class 10 > Mathematics