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Honors Geometry. 9.4 Special Right Triangles. 9.1 – 9.3 Assignment Check. RQS QTS RTQ QS TS=6 SQ=2 3 4 2 12 4 35 No; (60.5) + (60.5) 90. Learning Goals. Today you will: Find the side lengths of special right triangles
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Honors Geometry 9.4 Special Right Triangles
9.1 – 9.3 Assignment Check • RQS QTS RTQ • QS • TS=6 • SQ=2 3 • 4 2 • 12 • 4 35 • No; (60.5) + (60.5) 90
Learning Goals Today you will: • Find the side lengths of special right triangles • Use special right triangles to solve real-world problems
Warm Up Solve the equation for the missing variable. Assume all variables are positive. Express the answer in simplified radical form. 1. 2. 3.
45-45-90 Triangle Theorem In a 45-45-90 triangle, the hypotenuse is times as long as each leg.
30-60-90 Triangle Theorem In a 30-60-90 triangle, the hypotenuse is twice as long as the shorter leg, and the longer leg is times as long as the shorter leg.
Area of a Square Find the area of a square with a diagonal length of
Checkpoint Find the value of each variable. Write answer in simplest radical form.
Closure Find the ratio of the lengths of the sides of a 30°-60°-90° triangle and of a 45°-45°-90° triangle.
Homework 9.4 Practice C Worksheet