From a rectangle ABCD of area 768 sq cm, a semicircular part with diameter AB and area 72π sq cm is removed. The perimeter of the leftover portion, in cm, is

From a rectangle ABCD of area 768 sq cm, a semicircular part with diam

1.	From a rectangle ABCD of area 768 sq cm, a semicircular part with diameter AB and area 72π sq cm is removed. The perimeter of the leftover portion, in cm, is
A.	86 + 8π
B.	88 + 12π
C.	80 + 16π
D.	82 + 24π
Answer» C. 80 + 16π

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From a rectangle ABCD of area 768 sq cm, a semicircular part with diameter AB and area 72π sq cm is removed. The perimeter of the leftover portion, in cm, is

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