Grade 8 · Spatial Sense · Interactive practice
Measurement Practice
Practise angle relationships, composite measurement, and right triangles. Work through all three problems and use the feedback to improve your strategy.
All 3 questions
A right triangle has legs 5 cm and 12 cm. What is its hypotenuse?
Choose an answer, then check your thinking.
View every question and worked answer
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A right triangle has legs 5 cm and 12 cm. What is its hypotenuse?
Answer: 13 cm
5² + 12² = 25 + 144 = 169, and √169 = 13.
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Two parallel lines are crossed by a transversal. One corresponding angle is 68°. What is the other corresponding angle?
Answer: 68°
Corresponding angles formed by a transversal across parallel lines are equal.
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A composite prism has two non-overlapping volumes of 120 cm³ and 45 cm³. What is the total volume?
Answer: 165 cm³
Volume is additive for non-overlapping parts: 120 + 45 = 165 cm³.