Grade 8: MATH COMPETITION

What type of angle is < ABC

• Acute

• Obtuse

• right

• straight

If angle 1 is 45°, what is the size of angle 5?

• 47°

• 45°

• 53°

• 57°

This is a right triangle, what is the length of angle x?

• 15.5

• 21.2

• 19.1

• 18.3

What is the measure of the exterior angle of the regular polygon?

• 99

• 56

• 72

• 76

What is the value of x?

• 50

• 35

• 48

• 47

What is the value of x ?

Exterior Angle

• 40

• 50

• 60

• 70

Find the measure of angle 4?

• 50

• 43

• 57

• 45

What is the scale factor of the dilation?

• 1

• 2

• 3

• 4

What is the value of x?

• 5

• 2

• 1.8

• 1.5

What is the perimeter of A'B'C'D'

• 12.4

• 13.5

• 11.4

• 14.1