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YouTubeJoAnn's School
3rd Grade Math 12.7, Describe Triangles
We can use sides and angles to help us describe triangles. We can measure the sides to find if any are of equal length, if there is one right angle, if there are three angles less than a right angle, or if there is one angle greater than a right angle. We can model triangles by using three straws, or three sticks, of different lengths. We can ...
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