Lemma
EasyAlgebra word problems
OpenStax, Elementary Algebra 2e §3.4 Solve Geometry Applications: Triangles, Rectangles, and the Pythagorean Theorem · Exercise 3 · Algebra · Algebra word problems

Solve Geometry Applications: Triangles, Rectangles, and the Pythagorean Theorem · Exercise 3

Solve using triangle properties.

The measures of two angles of a triangle are 105 and 31 degrees. Find the measure of the third angle.

~5 minWritten answer · compare with the solution

OpenStax, Elementary Algebra 2e · §3.4 Solve Geometry Applications: Triangles, Rectangles, and the Pythagorean Theorem · Exercise 3

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.