Question
A paper cone has a base diameter of 8cm and a height of 3cm
a. Calculate the volume of the cone in term of pie
b. Calculate the curve surface area of the cone
a. Calculate the volume of the cone in term of pie
b. Calculate the curve surface area of the cone
Answers
a. v = 1/3 * pi * r^2 * h
b. the base radius is 4 and the height is 3, so the slant height is 5 (3-4-5 triangle)
the 5 is the radius of the circle of which the area of the cone is a segment
... the area of the circle is...25 pi
the area of the cone is...4/5 * 25 pi
b. the base radius is 4 and the height is 3, so the slant height is 5 (3-4-5 triangle)
the 5 is the radius of the circle of which the area of the cone is a segment
... the area of the circle is...25 pi
the area of the cone is...4/5 * 25 pi
1/3 *pi* r^2* h
16cm3
5cm
5cm
V: 16 Cm Cube
Slant Lenght: 5
Slant Lenght: 5
Please I do not understand
Oh I get it now your web is great
👍9 👎0
V:5.28cm cube
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