The measure of PQR is 75°. The length of radius QR is 4 inches. What is the approximate area of sector PQR? Use 3.14 for a A 20.94 in?
B. 5.24 in
C. 2.62 in?
D
10.47 in?

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post

The scale factor of what ?

24 students walk to school