Question

Find the lateral area for the prism. https://media.glynlyon.com/g_geo_ccss_2013/8/groupi68.gif

Answer 1

@thushananth01

Answer 2

@e.mccormick

Answer 3

First, know what lateral area is?

Answer 4

Yes the formula for it is 2pi*r*h

Answer 5

That would be for a cylinder. More generally, it is the surface area of the sides, so no bases.

Answer 6

Okay so can you break it down step by step for me?

Answer 7

Basically, you need to find the area of the three rectangles and add them up. Not the triangular ends. Just the rectangular sides.

Answer 8

So 144

Answer 9

?

Answer 10

Can you also help me find the volume of this figure?

Answer 11

Never mind for the volume

Answer 12

What did you get for the length of the unlabled side of the triangle?