Starter quiz
- In a right triangle, if the hypotenuse is 40 cm and a second side is 32 cm, what is the length of the third side? (Use a calculator to help you.)
- 24 cm ✓
- 26 cm
- 22 cm
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- In a right triangle, if the shortest sides are 10 cm and 7.5 cm, what is the length of the hypotenuse? (Use a calculator to help you.)
- 12.5 cm ✓
- 11.5 cm
- 13.5 cm
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- Would a triangle ABC with sides AB = 9cm, BC = 7.5cm, AC = 12.5cm be similar to the one shown in the diagram?
- Yes
- No ✓
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- For this pair of triangles, can you determine whether they are similar without using side lengths?
- Yes, because their three angles correspond. ✓
- No because you only know two angles.
- No, because you always need a side and two angles.
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- In a right triangle, if the hypotenuse is 200 cm and a second side is 120 cm, what is the perimeter? (Use a calculator to help you.)
- 470 cm
- 492 cm
- 480 cm ✓
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- In a right triangle, if the hypotenuse is 30 cm and a second side is 18 cm, what is the area? (Use a calculator to help you.)
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- ✓
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