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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. $$ {14 sqrt{3}}$$ | |