Answer:
Step-by-step explanation:
14* 20 = 280, then add 14*12/3 = 84.
Add: 280 +84 = 364.
Next, add the area of the semicircle, 100 * pi: (Approximately 314.15)
So this is 364 + 100pi(exact form) or about 478.15
Try in exact form:
364 +100Π (the symbol is pi)
