Draw an obtuse isosceles triangle, and then draw any lines of symmetry if they
exist.
4.G.1
4.G.3
10
4.G.1
4.G.3
10
4.G.1
4.G.3
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2.
Draw a right scalene triangle, and then draw any lines of symmetry if they
exist.
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3.
Every triangle has at least ____ acute angles.
From EngageNY.org of the New York State Education Department. Grade 4 Mathematics Module 4, Topic D, Lesson 14. Internet. Available from https://www.engageny.org/resource/grade-4-mathemat...; accessed 11/Nov/2015.