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7th grade math Geometry (Cross Sections (Cross sections are used to…
7th grade math Geometry
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Triangles
There are many triangle types such as: No congruent, congruent, all congruent, acute, right, and obtuse
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Angels
Supplementary
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A right angle is 90 degrees, just like a Supplementary angle
Complementary
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A triangle is 180 degrees, if it is not then it is not a triangle
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Finding unknown angle
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An equation would look like this: 
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Scale Drawing
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An example would be a train, small on paper about 5 inches, it could have a scale of 1inch=6feet
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Area
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The diameter is needed, to find it from the radius you can multiply the radius by two
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Volume
Prisms with rectangular, square and triangular bases
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An example would be:
Pyramids with rectangular, square and triangular bases
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