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Cynthia O.'s Resources

math problem (answer)

If the angles are supplementary, that means that the sum of the two angles is 180 degrees.  Make one angle "x."  The other angle is 10 more than 3 times "x".  When both "x" and 10 more than 3 times "x" are added together, their sum is 180 degrees...


Most recently, I was working with a student on the angles in a triangle.  We started with a circle to show the angles all the way around, their sizes, and how they compare to each other.  Then, I set my arms hand to elbow in an L shape.  We worked on showing the sizes of various angles by moving my hand at 12-o'clock (90 degrees) to a position that would show the angle size... read more