Question

the bottom left angle in the triangle is shown with a square. this means it is ___. 40 degrees 90 degrees 4 degrees

Explanation:

In geometry, a square symbol at an angle of a triangle indicates a right angle, which measures 90 degrees. So the angle with the square is 90 degrees.

Answer:

B. 90 degrees (assuming the options are labeled as A. 40 degrees, B. 90 degrees, C. 4 degrees for clarity)