Topic Review: Angles and triangles

Lesson

Practice

Adaptive

Worksheet

Interactive practice questions

Select the diagram showing a pair of parallel $lines$ :

Easy

< 1min

Select the diagram showing a pair of $consecutive interior$ angles:

Easy

< 1min

Consider the diagram below:

Medium

1min

Consider the diagram below:

Medium

1min

Outcomes

8.G.A.5

Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles.

8.G.B.6

Explain a proof of the Pythagorean theorem and its converse.

8.G.B.7

Apply the Pythagorean theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.

8.G.B.8

Apply the Pythagorean theorem to find the distance between two points in a coordinate system.