Similar Shapes Rules

Presentation

•

Mathematics

•

8th Grade

•

Hard

Joseph Anderson

FREE Resource

6 Slides • 4 Questions

Similarity

Similar Shapes

Similar Shapes

Have equal angles and proportional sides

Equal Angles

Triangles have interior angles that add up to 180 degress

Remember

Multiple Choice

If triangles ABC and PQR are similar, what is the measure of angle C?

Not able to be determined

Divide the corresponding (matching) sides

What is the rule for the ray?

Proportional Sides

Fill in the Blanks

What is the scale factor?

Type answer...

All the sides use the same rule

Similar if...

Similarity

Multiple Choice

Are the triangles similar?

Similar

Not Similar

Multiply or divide by the scale factor to find the missing length

Find the missing side

Divide the known corresponding lengths to find the scale factor
Tips: make sure you are comparing matching sides
Double check if you should be multiplying or dividing

First, identify the rule

Finding Missing Side Lengths

Fill in the Blanks

If the two figures are similar, what is the value of x?

Type answer...

Similarity

Similar Shapes

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