LAKE BRANTLEY
HIGH SCHOOL
Right Traingle Properties MA.912.G.5.4
Two-Dimensional
Student need to know...
Properties of right triangles.
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The benchmark will be assessed using MC (Multiple Choice) and FR (Fill in Response) items.
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Items may require the use of the Pythagorean Theorem, special right triangles, and relationships involving an altitude drawn to the hypotenuse of a right triangle.
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Items may require the use of the geometric mean.
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Radical expressions in multiple choice options will be in simplified or rationalized form.
Example One
In ABC, BD is an altitude.
What is the length, in units, of ?
Example Two
Nara created two right triangles. She started with JKL and drew an altitude from point K to side JL. The diagram below shows JKL and some of its measurements, in centimeters (cm).
Based on the information in the diagram, what is the measure of x to the nearest tenth of a centimeter?
Phythagorean Theorem
Using Altitudes
Using Geometric Mean
Special Right Triangle
