In any triangle ABC, AB + BC = 12 cm, BC + CA = 14 cm and CA + AB = 18 – McqOptions

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1.	In any triangle ABC, AB + BC = 12 cm, BC + CA = 14 cm and CA + AB = 18 cm. What will be length of radius of a circle, if the perimeter of circle is equal to the perimeter of triangle ABC?
A.	2 cm
B.	3.5 cm
C.	1.5 cm
D.	None of these
Answer» C. 1.5 cm

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