Standard Alignments:

TEKS Math: G.9.B

(B) Apply the relationships in special right triangles 30°-60°-90° and 45°-45°-90° and the Pythagorean theorem, including Pythagorean triples, to solve problems.

AU Math: ACMMG222

(Y9) Investigate Pythagoras’ Theorem and its application to solving simple problems involving right angled triangles (ACMMG222)

CCSS Math: HSG.SRT.8

HSG.SRT.8 Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.*

Related Lessons

Determine Similar Triangles
Use Angle Relationships of Circles
Compute the Volumes and Surface Areas of Cylinders, Pyramids, Cones, and Spheres
Calculate the Area of Composite Figures
Use the Pythagorean Theorem to Find an Unknown Length of a Side of a Right Triangle
Determine Congruent Triangles
Identify Geometric Definitions, Postulates, and Theorems

Related Concepts

Properties of Operations in Simplified Expressions
Plot Points on a Coordinate Plane
Solve Problems Involving Surface Area of Three-Dimensional Objects
Apply the Properties of Exponents
Apply the Pythagorean Theorem (Unknown Side Length)
Use Properties of Parallel Lines Cut by a Transversal
Use Properties of Interior Angles of Triangles
Determine Similar Triangles
Use Real Number Properties to Perform Computational Procedures
Calculate the Area of Composite Figures
Use the Pythagorean Theorem to Find an Unknown Length of a Side of a Right Triangle
Extend the Properties of Exponents to Rational Exponents
Subset of a Sample Space Poster
Transformation (Non-Rigid Motions) Poster
Transformation (Rigid Motions) Poster