Question

plese solve with solution

Answer 1

Hey mate !!


this type of question is solved by using this

"Trick " to find the radius of cicle inscribed in traingle

that is :-

= > R =A+B - C/ 2


this is a proof you have to read in 10 th


now your answer !!


using trick ,


look at this attachment :-


R = A+ B- C / 2

R = 15cm + 8cm -17cm /2

R = 23cm - 17cm / 2


R => 6cm /2 cm


R => 3cm .


hence the radius of circle is. => 3 cm


hence , Option number. (4) is correct !!!


hope it helps!! Dear


thanks