Monthly Archives: January 2014

Special Right Triangles

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Special Types of Right Triangles When you look at the 45-45-90 triangle, label the smaller sides length 1. ¬†If they are each 1, then you can use the pythagorean theorem to find the missing hypotenuse. 1^2 +1^2 = c^2 –> … Continue reading

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Similarity Powerpoint and Notes Guide

Can I HAZ Similarity Corresponding notes guide, for as you go through the powerpoint:Key ideas about triangle similarity  

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HW#6

Special Right Triangles Worksheet: 1-8 In your notes, you should have diagrams of the 45-45-90 and 30-60-90 triangles, where the smallest side is length 1. When you encounter a new triangle with the same angles, but different side lengths, you … Continue reading

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HW#5

p. 465: 2, 3, 7, 8, 27, 28 Identify the congruent angles and corresponding sides. Example 0f the format of a correct answer: Angle M is congruent to angle Q. side GH corresponds with side XY Congruence is a special, … Continue reading

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HW#4

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1. Recall the conditions for whether or not 3 lengths can make a triangle. The two shorter lengths must add up to be greater than the longest side length. 2. The 3rd side must be greater than some value and … Continue reading

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HW#3

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On the Triangle Inequalities Worksheet, go back to problems 1-8 and classify the triangle as acute, obtuse, or right using the Pythagorean Theorem, combined with your knowledge of the Hinge Theorem. The strategy is as follows: Take your 3 numbers, … Continue reading

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HW#2: Quadrilaterals Review

Check your answers for always, sometimes, never. Quadrilaterals Review 1 “…if and only if…” (abbreviated as “iff”) statements can be broken down into two separate “If…then…” statements. ¬†Example: I eat pizza if and only if I am hungry. This would … Continue reading

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In Class 4 Page Review- Answers

In Class Review Answers 1 In Class Review Answers 2 In Class Review Answers 3 In Class Review Answers 4 In Class Review Answers 5 In Class Review Answers 6 In Class Review Answers 7 In Class Review Answers 8

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HW#1: Classifying Special Quadrilaterals

After you guess what kind of quadrilateral is created by the four points, think about what would need to be true in order to show it. Think: Parallel lines (same slope) Perpendicular lines (opposite reciprocal slopes [a/b and -b/a]) Equal … Continue reading

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Definitions and Properties of Special Quadrilaterals

Parallelogram- 2 pairs of parallel sides Opposite angles are congruent Opposite sides are congruent Consecutive angles are supplementary Diagonals bisect each other Rectangle- 4 right angles Diagonals are congruent Also a Parallelogram (has all of the properties of a parallelogram, … Continue reading

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