Intro to Triangle Properties

How many triangles in the figure are acute?

• 1

• 2

• 3

• 4

Tags

CCSS.4.G.A.2

Find h.

• 32 degrees

• 92 degrees

• 56 degrees

• not enough information

Tags

CCSS.8.G.A.5

Solve for x.

• 16

• 11

• 50

• 6

Tags

CCSS.8.G.A.5

A triangle has side lengths of 19 centimetres, 19 centimetres, and 20 centimetres. What type of triangle is this?

• equilateral triangle

• isosceles triangle

• scalene triangle

• none of the above

Tags

CCSS.4.G.A.2

Find the measure of the indicated angle. 

• 26

• 36

• 85

• 144

Tags

CCSS.8.G.A.5

What is the measure of angle A?

• 30

• 45

• 47

• 50

Tags

CCSS.8.G.A.5

Triangle DEF has a missing angle measure. If the m∠E is 93 degrees and the m∠F is 24 degrees. What is the measure of angle D?

• 63

• 36

• 90

• 76

Tags

CCSS.8.G.A.5

Two angles in a triangle measure 30° and 105°. What is the measure of the third angle in the triangle?

• 45°

• 65°

• 75°

• 105°

Tags

CCSS.8.G.A.5

Two angles in a triangle measure 18° and 60°. What is the measure of the third angle in the triangle?

• 222°

• 22°

• 122°

• 102°

Tags

CCSS.8.G.A.5

Bella has a window in her bedroom shaped like a triangle. Each angle of the triangle measures less than 90 degrees. What kind of triangle is her window?

• Straight

• Acute

• Obtuse

• Right

Tags

CCSS.4.G.A.2