Answer:
First one is area of sector
Angle/360 *radius *pie squared
Secong one is the same find the area of the sector and subtract from the area of a triangle which is 2*2=4/2=2insquared
Put this in your calculator
120/360 multiply by 9 squared * pie (1)
90/360 multiply by 2 squared * pie and subtract all of that from 2 (that is the area of the triangle)
And you should get the 2 answers
