In right abc angled at b, bc=5 and ab=12. A cicle is touching sides of triangle abc. Find radius of circle
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A Right Angle = 90
Step-by-step explanation:b=90
bc=12
ab=5
ac²=ab²+bc²
=25+144=169
ac=√169=13 cm
diameter of circle = ab+bc-ac
= (12+5)-13 =4
diameter =4
2r=4
radius=4/2=2 cm
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