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Ellee336

Find the area for each shape.

For the triangle face you would do 4 times 6 divided by 2. Then times it by 2 because there are two triangle faces.

For the rectangle face do 5 times 12, then times 3 because there are 3 triangle faces.

Finally add both numbers together to get the surface area.

jpyon3019
You have to break it down into their individual shapes
1st there are two triangles
To find the area for one of them
1/2bh. Or 1/2(4)(6()=12
Multiply the 12 by 2
The area for both triangles are 24
Although there are three triangles, you have to realize that only two of them have the same area
The base is 6*12=72 and there is only one of them
The two side rectangles are
5*12=60 multiply by 2 since there are 2
120

Add all of the areas together
24+72+120=216
Surface area 216 u^2

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