We need the radius to find the area of sector.
radius = 20/2 = 10
Area of sector:
πr²(x/360) = x is the central angle in degrees.
π(10)²(36/360)
10π in²
Hope this helps :)
The interest rate would be 5%
22/29 = 0.76
0.76*100 = 76
You got a 76%
It's 14+0.05
It's that easy