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In Fig. 6, ABC is a right-angled triangle with AB 6 cm and AC 8 cm. Acircle with centre O is inscribed inside the triangle. Calculate the value of r,the radius of the inscribed circle. |
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Answer» In Given Triangle ABCAC2+ AB2= BC2BC2=(6*6)+(8*8)=100 Area of Triangle ABC= 8*6/2 =24 Cm2Semiperemetre of ABC= (8+6+10)/2 =12cm Radius of circle= Area Of Triangle /Semiperimeter of triangle = 24/12 = 2 cm Hence Radius of circle is 2 cmLike if you find it useful |
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