Question

In A ABC, AB= 20 cm, BC-21 cm and AC 29 cm. Find the radius of the circle touching all the sides of AABC​

Answer 1

Answer:

Therefore, the radius of the circle that touches all the sides of \[\Delta ABC\] is equal to 6cm. Note: First of all be careful while calculating the value of semi perimeter i.e. S as sometimes we just add all the sides of the triangle and forget to divide it by 2 and we get the incorrect answer.

Step-by-step explanation: