Given:
Here AE=4 and AM=9 is given and angle A is right angle means 90
Required:
We have to find the value of r means radius
Explanation:
If the radius is r than AG=r-4
now use the Pythagoras theorem for A is right angle
[tex]r^2=9^2+(r-4)^2[/tex][tex]r^2=81+r^2-8r+16[/tex][tex]8r=97[/tex][tex]r=12.125[/tex]
Final answer:
The length of radius is 12.1 as option a
