Question

The area of sector of AOB is 30.25 pi cm^2

Answer 1

Area of shaded region = Area of Sector OAB - Area of Triangle OAB

Area of sector = \[(\theta \div360)\pi r ^{2}\]
Area of triangle = \[(1\div2) \times b \times h\]

Answer 2

\[\theta = 90 , r = b = h = 11\]

Answer 3

Plug in these value and you get the area of the shaded region

Answer 4

thank you! thank you soooooo much!

Answer 5

u r always welcome :)