Question

IN ΔABC , AB=20CM BC=21CM AND AC=29CM .
FIND THE RADIUS OF THE CIRCLE TOUCHING ALL THE SIDES OF ΔABC.

Answer 1

Answer:

6cm

Step-by-step explanation:

given triangle is right anngle triangle as its sides are pythagoras triplet

so area of triangle is 210

applying formula

arear of circle = r/2 (peri. of triangle)

210=r/2 (70)

from here r=6cm

Answer 2

!!!!!!Hope is help for you:):):):)

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