Right Triangles

Right Triangles

Grade 9 · Math · 45 min

What's Included

Learning Objective

I can apply the Pythagorean Theorem and trigonometric ratios to solve for missing side lengths and angle measures in right triangles.

Warm-Up Video

Khan Academy · 7:04

Example: Trig to solve the sides and angles of a right triangle | Trigonometry | Khan Academy

Practice Questions

7 questions · Short answer

Exit Ticket

Quick comprehension check

In right triangle ABC, where ∠C is the right angle, AC = 7 and ∠A = 52°. Find the length of BC to the nearest tenth. In right triangle PQR, where ∠Q is the right angle, PQ = 9 and PR = 16. Find the measure of ∠P to the nearest degree.

Complete Lesson Package

Get all 3 ready-to-use resources:

Teacher Guide
Student Doc
Slides