Elementary schoolers examine the attributes of triangles. In this triangle instructional activity, learners compare regular triangles and right triangles. They explore vertices and angles and investigate obtuse and acute angles. Pupils...

In this online math worksheet, students calculate the angles in a triangle given their measurements. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific...

In this online math learning exercise, students use the Pythagorean Theorem to determine if given triangles are "right" triangles. This excellent resource allows the students to check their answers, and to get "hints" should they run...

Students use the Pythagorean theorem to discover the relationships between the lengths of sides of a right triangle. In this right triangles lesson plan, students use their reasoning and mathematical skills.

In this geometry instructional activity, 10th graders identify a triangle as right, acute, or obtuse and identify the parts of a right triangle in a drop and drag game format.  The one page interactive instructional activity...

Students apply properties of Pythagorean to solve problems. In this geometry instructional activity, students identify the different parts of a right triangle using ratios. they solve problems using squares and square roots.

Learners identify the different parts of a right triangle. In this geometry lesson, students use the Pythagorean Theorem to identify missing sides and angles of a right triangle. They work with irrational and rational roots.

Young scholars solve right triangles using trigonometry. In this geometry lesson, students use the unit circle to identify different trig values. They identify the six trigonometric identities.

In this Pythagorean Theorem activity, students use the Pythagorean Theorem to find the length of the unlabeled side of the right triangle. There are 8 problems all together.

In this geometry worksheet, 10th graders analyze an equilateral triangle which is divided into right triangles and determine missing lengths.  The one page worksheet contains one problem.  Answer is provided.

In this Law of Cosines learning exercise, students are asked to demonstrate the ability to apply the Trigonometric Law of Cosines and the Inverse Law of Cosines to solve for sides and angles of right triangles. 

In this inverse functions in trigonometry learning exercise, students find the missing angles in eight right triangles, given the length of two sides.

In this using the Pythagorean Theorem worksheet, students use the Pythagorean Theorem to find the missing information for ten right triangles.

Learners explore the concept of triangles.  In this triangles activity, students are to propose a plan for a ramp at their school.  Learners use the Pythagorean Theorem and trigonometry to determine the length, height, and...

In this triangles practice instructional activity, students respond to 4 questions that require them to identify the pictured triangles as acute, right, obtuse, scalene, isosceles, or equilateral triangles.

For this triangles practice worksheet, students respond to 4 questions that require them to identify the pictured triangles as acute, right, or obtuse triangles.

Students draw triangles. In this shapes lesson, students discuss what they already know about triangles, what they are and what they are made up of. Students discuss the types of triangles and practice drawing each type.

Learners explore the concept of right triangles. In this right triangle instructional activity, students construct a scale model of a tourist attraction similar to Fort Jefferson. Learners research aerial photos of Fort Jefferson, then...

In this special right triangles worksheet, 10th graders solve 10 different problems that include solving equations that are special right triangles. First, they determine the exact value of each problem. Then, students use the...

In this math instructional activity, students find the missing angles for the right triangles using the Pythagorean Theorem. Then they label the adjacent and opposite angles.

Students review the Pythagorean Theorem and apply it to word problems involving special right triangles.

In this geometry instructional activity, students practice finding the measure of 4 different angles. Students work independently as they refine their ability to correctly calculate the measure of an angle.

For this Geometry instructional (work)sheet, learners are instructed on how to find the geometric mean.  Students are then shown how the geometric mean is applied to proving similar triangles.

Students solve right triangles using the Pythagorean Theorem.  In this solving right triangles using the Pythagorean Theorem lesson, students find the missing side of a right triangle.  Students find the hypotenuse given two...