Triangle Sum Thorem

Triangle Sum Thorem

4/30/2021

Multiple Choice

Will the following side lengths make a triangle; 17 cm, 15 cm, 40 cm?

• yes

• no

Triangles described based on Sides

• Isosceles ~ triangle with 2 sides congruent

• Equilateral ~triangles with all (3) sides congruent

• Scalene ~ triangle with no sides congruent

Triangles described based on angles

• Acute triangle ~ all angles are acute

• Right triangle ~ triangle with one right angle

• Obtuse triangle ~ triangle with one obtuse angle

Multiple Choice

A triangle has one angle that measure 81° and one that measures 37°. What is the measure of the third angle?

• 62°

• 76°

• 118°

• 99°

Multiple Choice

Will the following three angles form a triangle?

30°, 60°, 90°

• yes

• no

Multiple Choice

Find the measure of the missing angle.

• 30^o

• 110^o

• 150^o

• 40^o

Multiple Choice

Solve for x.

• 44^o

• ^-14o

• -7^o

• 63^o