Geometric Reasoning

Geometry Revision Lesson

Angles

• Acute (Under 90)

• Right (90)
  

• Obtuse (Between 90 and 180)

• Straight (180)

• Reflex (Between 180 and 360)

• Revolution (360)

Multiple Choice

What type of angle is 110^o angle?

• Acute

• Right

• Obtuse

• Reflex

Angles

• Complementary (Adds up to 90)

• Supplementary (Adds up to 180)

• Revolution (Adds up to 360)

Multiple Choice

What is the complementary angle to a 43 degree angle?

• 43

• 47

• 133

• 137

Multiple Choice

Which triangle has three different internal angles?

• Isosceles

• Scalene

• Isosceles

Triangles

• Equilateral

• Isosceles

• Scalene

Look at the following angles

A question will be on the next slides

Multiple Choice

What name best describes that pair of angle?

• Cointerior

• Alternate

• Corresponding

Multiple Choice

A quadrilateral with one pair of parallel sides is called a ______________

• Rhombus

• Trapezium

• Kite

• Parellogram

Multiple Choice

All the angles in a quadrilateral add up to

• 180

• 360

• 540

• 720

Open Ended

What are the tests for a congruent triangle?

Congruent Triangle

How could you tell this is a congruent triangle

Multiple Choice

What test do you need to prove the previous triangles were congruent?

• SSS

• SAS

• AAS

• RHS

Fill in the Blank

__________ shapes are two shapes that the ratios of the lengths of their corresponding sides are equal?

Look at these two similar triangles

What is the value of x?

Multiple Choice

What is the value of x?

• 8

• 3.5

• 14

• 2

Open Ended

What were your thoughts on Quizizz slides?