A solid sphere of diameter 7 cm is cut into two equal halves. What wil – McqOptions

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1.	A solid sphere of diameter 7 cm is cut into two equal halves. What will be the increase (in cm.2) in the total surface area?
A.	$$88 cm.^2$$
B.	$$77 cm.^2$$
C.	$$56 cm.^2$$
D.	$$66 cm.^2$$
Answer» C. $$56 cm.^2$$

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