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crystal1
Jemima is making a paper tepee, as shown below. What is the area of the paper required to make the lateral surface of the tepee? 238.8 cm2 1131.1 cm2 1256.8 cm2 565.7 cm2
the lateral surface area of a cone is given by pi*r*s where r - radius s - is 20cm in this case
so.. lateral area is -> pi * 9 * 20 = 565.7