Congruence and Similarity 2

Congruence and Similarity 2

Learning Goal

- To be able to apply the rules of congruence to identify congruent figures (revision)

Multiple Choice

What does it mean when two figures are 'congruent'?

• They are identical - same size, shape

• They are parallel

• Their internal angles add to 180 degrees

Multiple Select

Select a pair of congruent shapes from the following set.

Multiple Choice

Are these two shapes congruent

• Yes

• No

Multiple Choice

The two triangles in the image are congruent. Pick the test that proves this.

• SSS

• SAS

• ASA

• RHS

Multiple Choice

The two triangles in the image are congruent. Pick the test that proves this.

• SSS

• SAS

• ASA

• RHS

Fill in the Blank

The internal angles of a triangle add up to _____ degrees

Answer (just write the number)

The internal angles of a triangle always add up to 180^o

Fill in the Blank

The value of the pronumeral is ...

Write answer as h=___ (no spaces, no degrees symbol)

Fill in the Blank

The value of the pronumeral is ...

Write answer as g=___ (no spaces, no degrees symbol)

Isosceles Triangle:

- A triangle with two equal sides.

- The angles opposite the equal sides are also equal.

Fill in the Blank

The value of a is equal to ...

Write your answer as a=___ (no spaces, no degree symbol)

Fill in the Blank

Note: the triangle is not drawn to scale.

The value of b is equal to ...

Write your answer as b=___ (no spaces, no degree symbol)

Multiple Choice

Is this pair of trianlges congruent?

• Yes

• No

Multiple Choice

From the given information, which test is used to prove that this pair of triangle is congruent?

• SSS

• SAS

• ASA

• RHS

Multiple Choice

The value of y is

• 76

• 180

• 4.2

• 180-76-4.2

Calculate the value of a

The next slide will ask you to input your answer

Fill in the Blank

Calculate the value of a

Write your answer as a=___ (no spaces, no degrees symbol)