A small lead pencil has a cylindrical base and a conical point.
r = 0.5cm
2 cm
15 cm
Find the slant height of the cone. (Use the Pythagorean theorem.) Round to the nearest tenth. (you don't need to type the unit)
Slant Height-
Find the surface area of the whole pencil. (round to the nearest tenth, Pi=3.14)
Area of the whole pencil=
the answer would be c β 18.852*3.14= 6.286.28*3=18.85
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