Dougo K.
asked • 05/08/17What is the area of the paper that remained after these triangles are cut off?
Joseph drew a hexagon on a 3-inch square piece of paper. He cut four identical right triangles from the four corners of the paper. The height of each triangle is 1/2 the length of the paper. The base of each triangle is 1/3 the length of the paper.
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1 Expert Answer
Mark M. answered • 05/08/17
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
Draw a diagram!
Apaper = 9 in2
Atriangle = 0.75 in2
Aremaining = [9 - 4(0.75)] in2
Dougo K.
Hello! Thank you for answering my question. I just have one small problem; I know that you have to multiply 1/2 x 1/2, what I'm wondering is what is the last number? This is my problem: 3 x 3 - 4 x (1/2 x 1/2 x ?)
Thank you.
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05/08/17
Mark M.
The area of each triangle is (0.5)(1-the base)(1.5-the height) = 0.75
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05/08/17
Dougo K.
Thank you very much sir!
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05/08/17
Mark M.
You are very welcome, sir!
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05/08/17
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Dougo K.
Thank you.
05/08/17