Triangles

Which of the following angles can you add together to equal angle d? 

• Angle a and Angle b

• Angle b and Angle c

• Angle a and Angle c

• Angle a and Angle b and Angle c

What is the largest angle?

• J

• K

• L

What is the biggest side?

• EF

• FG

• EG

Two sides of a triangle have side lengths of 17 meters and 12 meters.  What is the range of possible lengths for the third side?

• 12 < x < 17

• 12 < x < 29

• 5 < x < 17

• 5 < x < 29

Which of the following words describes the point shown in the figure?

• Centerpoint

• Orthocenter

• Centroid

• Midpoint

Find the missing length.

• x = 12

• x = 11

• x = 15

• x = 9

Find the measure of the missing angle.

• 139°

• 66°

• 138°

• 116°

Find the measure of angle A

• 51

• 68

• 111

• 177

What other name can be given to this right triangle?

• Equilateral

• Isosceles

• Scalene

• Acute

• Obtuse

What type of triangle is formed between the blades of the scissors?

• Equilateral

• Isosceles

• Acute

• Right

• Obtuse