We continued on in our study of triangles today by going over how to work with isosceles triangles in both proofs and calculations. We went over the definition and parts of the isosceles triangles before demonstrating both isosceles triangle proofs and some drawing calculations. Use of the triangle sum theorem (angles add to 180 degrees) is what we will make use of quite often for these problems. The students then got started on their homework.
Assignment: Isosceles Triangle worksheet + section 4-4; page 137; WE #1-10, 13
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