Triangle Sum Theorem

Front

Classify the triangle by its sides and angles: obtuse isosceles, acute scalene, acute equilateral, obtuse scalene.

Back

obtuse isosceles

Front

Classify the triangle by its angles and sides: right isosceles, acute equilateral, acute isosceles, obtuse scalene.

Back

right isosceles

Front

Find the measure of the missing angle.

Back

55°

Front

Find the measure of the missing angle.

Back

135°

Front

Solve for x.

Back

10

Front

Solve for x.

Back

-10

Front

Find the measure of angle A. Options: 105°, 60°, 45°, 25°

Back

45°

Front

Find the measure of angle A.

Back

20°

Front

Find the measure of the missing angle.

Back

36°

Front

Find the measure of the missing angle.

Back

23°