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Lesson: Using the Properties of 45-45-90 Triangles

In this lesson, we will learn how to use the properties of a 45-45-90 triangle to find the lengths of the legs or the hypotenuse.

Worksheet: Using the Properties of 45-45-90 Triangles • 3 Questions

Q1:

A ladder 8 meters long leans against a wall. Find the horizontal length between the base of the ladder and the wall given the angle between the ladder and the ground is .

A m
B m
C m
D m
E 4 m

Q2:

Find, in terms of , the length of the hypotenuse of this triangle.

Q3:

In the figure, the length of is .

Find the length of .

Given that the length of is 6, find the length of . Give an exact answer.

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Lesson: Using the Properties of 45-45-90 Triangles

Worksheet: Using the Properties of 45-45-90 Triangles • 3 Questions

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