1.

A semicircle is folded to make a cone. Find the height (in cm) of the cone if diameter of the semicircle is 28 cm?

A. $$ {7 sqrt{3}}$$
B. $$ {14 sqrt{3}}$$
C. $$ {7 sqrt{5}}$$
D. $$ {7 sqrt{13}}$$
Answer» B. $$ {14 sqrt{3}}$$


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