The two
The two angles of a triangle are 78° and 82°. So, what is the measure of the remaining third angle?
Correct answer:
Tips for related online calculators
See also our trigonometric triangle calculator.
You need to know the following knowledge to solve this word math problem:
Units of physical quantities:
Grade of the word problem:
We encourage you to watch this tutorial video on this math problem: video1
Related math problems and questions:
- Angles sum 180
In triangle ABC, the measure of ∠A is 30°, and the measure of ∠C is 90°. What is the measure of ∠B? - The sum 11
The sum of the measures of the two angles is 89°. One angle has a measure of 64°. What is the measure in degrees of the second angle? - The sum 18
The sum of the three angles in a triangle is 180°. Find the 3rd angle of a triangle if the 1st and 2nd angles measure 58.3° and 45.5°. - In a 2
In a thirteen-sided polygon, the sum of five angles is 1274°, four of the eight angles remaining are equal, and the other four are 18° less than each of the equal angles. Find the angles.
- A straight angle A straight angle measures s, so you can subtract or add 85 from. What is the measure of their angles?
- Complementary angles
Two angles are complementary. If one angle measures 10°, what is the measure of the second angle? - Know one angle
In a right-angled triangle, the measure of an angle is 40°. Find the measure of other angles of the triangle in degrees.
