Find the best solutions to your problems with the help of IDNLearn.com's experts. Discover prompt and accurate answers from our community of experienced professionals.
Step-by-step explanation:
The diagram resembles a right angled triangle,
So, By Pythagoras theorem,
(11)²=(4)²+x²
= 121=16+x²
= 121-16=x²
= 105=x²
= root105 =x