Oak MathsTest · Maths

Missing angles

The starter and exit quiz of the lesson “Missing angles”, from the unit “Geometrical properties: polygons” (Year 8 Maths) by Oak National Academy.

Free to use. Edit it, share it and hand it out to your students.

Oak National Academy

12 questions

In which cases are the angles always equal to each other?
Co-interior angles on parallel lines sum to ___°.
Which angle is 97°?
Match each shape with the sum of its interior angles.
∠ACE = ∠FEC because ___.
Which angle is co-interior to ∠ACE?
∠ABG = 112°. Based on this information, which justification could be used to explain why ∠CBG = 68°?
Which justification could be used to explain why ∠CGF = ∠GCD?
Match each statement with its justification.
Given ∠EGC = 82°, then ∠CGB = ___°.
The pentagon in the image is regular. The size of the shaded angle is ___°.
The image shows a regular pentagon and a regular hexagon. The size of the shaded angle is ___°.

License: OGL