Loading...
ISEE Middle Level
Mathematics Achievement

Finding the Measure of an Angle in a Triangle

Medium Geometry Lines And Angles

In triangle ABC, angle A measures 40 degrees, and angle B measures 70 degrees. To find the measure of angle C, you can use the fact that the sum of the angles in any triangle is always 180 degrees. Using this information, what is the measure of angle C?

Use the equation:

$$ C = 180° - A - B $$

Hint

Submitted6.0K
Correct5.4K
% Correct91%