In this lesson, we will learn how to find the side lengths of 45-45-90 and 30-60-90 triangles using trigonometric ratios.
Students will be able to
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 45∘.
Q2:
Find, in terms of 𝑥, the length of the hypotenuse of this triangle.
Q3:
In the figure, the length of 𝐴𝐵 is √8.
Find the length of 𝐵𝐶.
Given that the length of 𝐷𝐸 is 6, find the length of 𝐶𝐸. Give an exact answer.
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