(a).The figure at the below shows a rectangle which has a quarter-circle and a semicircle cut out of it. Find a formula that gives the total perimeter length of this figure in terms of the three letters: “L”, “W” and “ R ”
A: 2L+2W+0.71R
B: 2L+2W-0.71R
C: 2L+2W-0.86R
D: 2L+2W+0.86R

#Q.4(b) Follow the previous diagram find out the Area
A: LW-0.78R^2
B: None of these
C: LW+2.36^2
D: LW-3.14R^2