Triangle Sum Theorem

Which of the following is false?

• A triangle can be drawn with 3 acute angles.

• A triangle can be drawn with 2 obtuse and one acute angles.

• A triangle can be drawn with only one obtuse angle and two acute angles.

• A triangle can be drawn with only one right angle and two acute angles.

Tags

CCSS.8.G.A.5

Solve for x.

• 44^o

• ^-14o

• -7^o

• 63^o

Tags

CCSS.8.G.A.5

Find the measure of the missing angle.

• 30^o
• 110^o
• 150^o
• 40^o

Tags

CCSS.8.G.A.5

Will the following three angles for a triangle?

30°, 60°, 90°

• yes

• no

Tags

CCSS.8.G.A.5

A student is trying to construct triangles using four different sets of angles. The angles in each set are given below. Which set will form a triangle?

• 45°, 65°, 70°

• 150°, 110°, 100°

• 50°, 50°, 50°

• 90°, 90°, 90°

Tags

CCSS.8.G.A.5

Which sets of measurements could be the interior angles of a triangle? Select EACH correct answer.

• 15°, 15°, 150°

• 10°, 90°, 100°

• 30°, 30°, 115°

• 10°, 80°, 90°

• 60°, 60°, 60°

Tags

CCSS.8.G.A.5

Which of these conditions can create a triangle?

• m∠A=90°, m∠B=40°, m∠C=60°

• m∠A=30°, m∠B=80°, m∠C=70°

• AB=3cm, BC=4cm, CA=10cm

• AB=8cm, BC=6cm, CA=9cm

Tags

CCSS.7.G.A.2

Which of these conditions can create a triangle?

• m∠A=60°, m∠B=60°, m∠C=60°

• m∠A=20°, m∠B=80°, m∠C=30°

• AB=9cm, BC=7cm, CA=23cm

• AB=12cm, BC=17cm, CA=11cm

Tags

CCSS.7.G.A.2

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°

Tags

CCSS.8.G.A.5

A triangle has one angle that measure 45° and one that measures 60°. What is the measure of the third angle?

• 135°

• 75°

• 120°

• 105°

Tags

CCSS.8.G.A.5