Handout
CK-12 Foundation

Ck 12: Geometry: Angles Study Guide

For Students 9th - 10th Standards
This study guide on angles covers key vocabulary, ways to name angles, how to measure them, the Protractor Postulate and the Angle Addition Postulate, types of angles, congruent angles, angle bisectors, and angle pairs. It is available...
Handout
Cuemath

Cuemath: Angles

For Students 9th - 10th Standards
A comprehensive guide for learning all about angles with definitions, examples, and practice questions.
Unknown Type
Mr. Martini's Classroom

Mr. Martini's Classroom: Geometry Special Angle Pairs and Parallel Transversals

For Students 3rd - 8th Standards
Students are challenged to identify and measure angles created by parallel lines and a transversal as well as complementary and supplementary pairs.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 1.3 Polygons

For Students 9th - 10th
Explore the structure and measurement of polygons.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 7.7 Law of Cosines

For Students 9th - 10th Standards
Learn how the Law of Cosines uses the measure of angle C to provide an equation that relates the three sides of the triangle with angle C.
Activity
TeachEngineering

Teach Engineering: Computer Accuracy

For Teachers 6th - 8th
Accuracy of measurement in navigation depends very much on the situation. If a sailor's target is an island 200 km wide, sailing off center by 10 or 20 km is not a major problem. But, if the island were only 1 km wide, it would be missed...