Which of the following formulas would find the surface area of a right cylinder where h is the height, r is the radius, la is the lateral area, and ba is the base area?

check all that apply.

a. pie r^2+pie r(radius)h(height)

B) 2πr² + 2πrh; C) BA + LA

Step-by-step explanation:

To find the surface area of a figure, we add the base area and the lateral area.  This is C, BA + LA.

In a cylinder, the lateral area is the area of a rectangle.  Think of a label wrapped around a can of soup.  The length of the rectangle is the measure of the circumference; this is given by 2πr.  The width of the rectangle is the height of the can, or h; this gives us the area 2πr(h).

The bases of a cylinder are circles.  The area of a circle is πr²; since there are 2 bases, this gives us 2πr².

Together this makes the surface area 2πr²+2πrh

repeat the question

step-by-step explanation:

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