12/2 Math 8 Homework- Similar Figures Day 1

Front

What is the definition of similar figures?

Back

Similar figures are shapes that have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are in proportion.

Front

If two triangles have two pairs of corresponding angles equal, what can be said about the triangles?

Back

They are similar.

Front

Triangle ABC has sides of length 5, 12, and 13. Triangle DEF has sides of length 10, 24, and 26. What is the ratio of the sides of triangle ABC to triangle DEF?

Back

Front

What is the criteria for triangles to be similar?

Back

Triangles are similar if they have equal corresponding angles or if their sides are in proportion.

Front

Back

Yes, they are similar.

Front

What is the definition of congruent figures?

Back

Congruent figures are shapes that are the same size and shape. Their corresponding sides and angles are equal.

Front

Triangle GHI has sides of length 7, 24, and 25. Triangle JKL has sides of length 14, 48, and 100. Are these triangles similar?

Back

No, they are not similar.

Front

If two objects are the same shape but not the same size, they are _______.

Back

Similar.

Front

What is the relationship between the sides of similar triangles?

Back

The lengths of corresponding sides of similar triangles are proportional.

Front

What is the definition of proportional sides?

Back

Proportional sides are sides that maintain a constant ratio to each other.