Measure angles within triangles

Measure or calculate angles within triangles

Identify triangles by sides and angles (find all)

Describe and classify triangles

Use geometric tools to create triangles to meet requirements

Classify triangles by both side and angle properties

Establish the angle sum of a triangle using geometric arguments

Identify triangles by sides and angles (find one)

Use properties to identify possible and impossible triangles

Use an algorithm represented in a flow chart to construct triangles

Use similar triangles to prove the Pythagorean Theorem

Use the Pythagorean Theorem and triangle similarity to solve problems involving the sides of other triangles

Use triangle similarity to solve geometric problems and construct figures

Use the angle sum of a triangle to solve problems

Describe possible and impossible side lengths of a triangle

Use the Pythagorean Theorem to find unknown side lengths in right triangles

Calculate side lengths of right triangles using the Pythagorean Theorem and similar triangles

Use the Pythagorean Theorem to decide whether a triangle is acute, right or obtuse given its side lengths

Solve a series of area problems resulting in a proof of the Pythagorean Theorem

Use the Pythagorean Theorem to solve problems in a geometric context

Classify triangles (angles, sides)

Classify triangles (angles)