topic badge

3.01 Triangles and angles

Adaptive
Worksheet

Interactive practice questions

What is the sum of the measures of the interior angles of any triangle?

The measures add to $\editable{}$ °

Easy
< 1min

A triangle has two angles measuring $72^\circ$72° and $58^\circ$58°. Determine the measure of the third angle.

Easy
< 1min

Consider the diagram below.

Easy
< 1min

Consider the diagram below.

Medium
< 1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account

Outcomes

G.CO.C.10

Prove theorems about triangles. Theorems include: measures of interior angles of a triangle sum to 180°; base angles of isosceles triangles are congruent; the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length; the medians of a triangle meet at a point.

What is Mathspace

About Mathspace