Question

In a triangle, one angle is 60 degrees and another is 20 degrees. The remaining angle must be

A. right.
B. acute.
C. obtuse.
D. complementary.

Answer 1

C. Obtuse

Explanation:

Triangles angles add up to 180 degrees

60 degrees + 20 degrees = 80 degrees

180 - 80 = 100 degrees

Obtuse angles have angles greater then 90 degrees.

Answer 2

C. Obtuse
Good luck!!