Question

hellpp!!

Answer 1

Hint :
Area of triangle = Area of quarter circle

Answer 2

do you mean Area of (DOB)=2(3+x)/2 = 9pi/4

Answer 3

so x=3pi/2-3

Answer 4

do you mean Area of (DOB) = \(\color{red}{3}\)(3+x)/2 = 9pi/4

Answer 5

yes