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Labeling Right Triangles WORKSHEET
Suitable for Grades: Geometry, IM 3
CCSS: HSG.SRT.C.6, HSG.SRT.C.8
CCSS Description: Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles
Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.
Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.
Labeling Right Triangles WORKSHEET DESCRIPTION
This worksheet helps students master the skill of labeling sides of right triangles, an essential foundation for trigonometry.
Firstly students are asked to label the sides relative to the angle θ as opposite, adjacent, or hypotenuse.
Next learners ensure six triangles are fully labeled, including adding a label of θ for the included angle, when given one side labeled already.
Then students will find and label right angled triangles within shapes using a given angle, θ. Shapes include: a rectangle, trapeziod, isosceles triangles, and a parallelogram.
