Practice Similarity: Same Shape, Different Size (7) - Unit 4: Transformations, Congruence & Similarity: Shaping and Reshaping Space
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Similarity: Same Shape, Different Size

Practice - Similarity: Same Shape, Different Size

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Identify if the triangles with sides 3 cm, 4 cm and 6 cm, 8 cm are similar.

💡 Hint: Calculate the ratios of corresponding sides.

Question 2 Easy

What is the scale factor of similar rectangles with dimensions 5 cm and 10 cm?

💡 Hint: Divide the sides of the larger rectangle by the smaller.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which of the following statements is true regarding similar shapes?

A. They have the same area.
B. Their corresponding angles are equal.
C. Their corresponding sides are the same length.

💡 Hint: Think about the features that define similarity.

Question 2

True or False: If two shapes have the same shape and different sizes, they are always similar.

True
False

💡 Hint: Recall the definition of similarity.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A triangle has sides of length 12 cm, 16 cm, and 20 cm. Another triangle has a scale factor of 0.75. What are the lengths of the sides of the smaller triangle?

💡 Hint: Multiply each side by 0.75.

Challenge 2 Hard

Two similar rectangles have areas of 36 cm² and 64 cm². What is the scale factor between them?

💡 Hint: Use the relationship 'Area of Image / Area of Original' for rectangles.

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