Honors GEOMETRY
G.6 The student, given information in the form of a figure or statement, will prove two triangles are congruent. Classifying Triangles Acute Obtuse Right A triangle that has 3 acute angles. A triangle that has one obtuse angle. A triangle that has one right angle. Equilateral Equiangular Isosceles Scalene A triangle whose sides are all congruent.
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Geometry - whsd.k12.pa.us
www.whsd.k12.pa.us2 Geometry Chapter 4 – Congruent Triangles ***In order to get full credit for your assignments they must me done on time and you must SHOW ALL WORK. *** 1.____ (4-1) Classifying Triangles –Day 1 Page 180-181 # 1-4, 7-10, 22-29, 32, 33 2. ____ (4-2) Angles of Triangles –Day 1 Page 189 # 11-38, 47 3. ____ (4-2) Angles of Triangles – Day 2 4-2 Practice Worksheet
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ncert.nic.inObserve that the two triangles are congruent to each other. Repeat this activity with some more parallelograms. Each time you will observe that each diagonal divides the parallelogram into two congruent triangles. Let us now prove this result. Theorem 8.1 : A diagonal of a parallelogram divides it into two congruent triangles.