Practice Practice Problems 4.2 (7.2.4) - Unit 4: Transformations, Congruence & Similarity: Shaping and Reshaping Space
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Practice Problems 4.2

Practice - Practice Problems 4.2

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Triangle ABC has sides 3 cm, 4 cm, and 5 cm. Triangle DEF has sides 6 cm, 8 cm, and 10 cm. Are these triangles similar?

💡 Hint: Check if the ratios of corresponding sides are equal.

Question 2 Easy

Find the scale factor if Triangle PQR has sides 5 cm and 10 cm and Triangle STU has sides 15 cm and 30 cm.

💡 Hint: Divide the corresponding sides to find the scale factor.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which of the following is true for similar figures?

A. They have equal angles
B. They have equal sides
C. They are both true

💡 Hint: Consider what it means for shapes to be similar.

Question 2

If two triangles are similar and one has a side length of 8 cm while the other has 4 cm, what is the scale factor from the smaller triangle to the larger triangle?

💡 Hint: Think about the ratio of corresponding sides.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Two similar triangles have corresponding sides in the ratio 4:7. If the longer side of the larger triangle measures 35 cm, what is the length of the corresponding side in the smaller triangle?

💡 Hint: Use the scale factor to set up a proportion.

Challenge 2 Hard

A map is drawn with a scale such that 1 cm on the map represents 50 km in reality. If two cities are 3 cm apart on the map, how far apart are they in reality?

💡 Hint: Calculate the real distance using the scale.

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