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fboughroum

Answer:

The answer is 65 in.

Step-by-step explanation:

First, start out with the triangle. Then multiply 3 times 10 divided by 2 (formula for a triangle), Keep that in note. Then you multiply 5 times 10, which is 50. And now, add 15 plus 50, which is 65.

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Make it into a 3D shape you will get more of a feel for it then do your formula and the answer is 65

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