Practice - Method 2: Using Proportions (Ratios)
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Practice Questions
Test your understanding with targeted questions
Determine the scale factor if Triangle ABC has sides 3 cm and Triangle DEF has corresponding sides of 9 cm.
💡 Hint: Recall the definition of scale factor!
If Rectangle A is similar to Rectangle B and AB = 2 cm, find the ratio if EF = 6 cm.
💡 Hint: Use the scale factor concept!
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Interactive Quizzes
Quick quizzes to reinforce your learning
If two shapes are similar, what must be true about their corresponding angles?
💡 Hint: Think about what determines similarity.
The scale factor of two similar triangles is 3:1. If one side of the smaller triangle is 2 cm, what is the corresponding side on the larger triangle?
💡 Hint: Use the scale factor to find the larger side.
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Challenge Problems
Push your limits with advanced challenges
Assuming triangle DEF is similar to triangle GHI. If DE = 5 cm, EF = 8 cm, and HI = 12 cm, find the length of FG.
💡 Hint: Utilize the established scale factor for ratios.
A rectangle has dimensions of 4 cm by 6 cm and is scaled to a larger rectangle whose longer side is 18 cm. What is the width of the new rectangle?
💡 Hint: Calculate the scale factor first, then apply it.
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Reference links
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