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Worksheet for measuring angles and calculating trigonometric ratios in right-angled triangles.

A worksheet titled "Activity 2: Measuring and Calculating" featuring six right-angled triangles labeled a) through f), each with a marked angle and a right angle, designed for measuring angles and calculating trigonometric ratios.

A worksheet titled "Activity 2: Measuring and Calculating" featuring six right-angled triangles labeled a) through f), each with a marked angle and a right angle, designed for measuring angles and calculating trigonometric ratios.

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Show Answer Key & Explanations Step-by-step solution for: Activity 2 Measuring and Calculating For each | StudyX
Final Answer:
The worksheet requires measuring angles and side lengths of six right-angled triangles (a–f), labeling opposite/adjacent sides relative to the marked angle, computing three trigonometric ratios (sin = Opposite/Hypotenuse, cos = Adjacent/Hypotenuse, tan = Opposite/Adjacent), and recording all values in the table. Then answer questions 5 and 6 conceptually:

5. No — the ratios Opposite/Hypotenuse and Adjacent/Hypotenuse cannot be greater than 1, because in a right triangle, the hypotenuse is always the longest side, so both opposite and adjacent are shorter than or equal to the hypotenuse.

6. The ratio Opposite/Adjacent (tangent) can be greater than 1 — there’s no upper limit. As the marked angle gets closer to 90°, the opposite side becomes much longer than the adjacent side, so the ratio grows without bound (e.g., for a 75° angle, tan ≈ 3.73). So the greatest value is *unlimited* (it can be as large as you want, depending on the angle).

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Parent Tip: Review the logic above to help your child master the concept of ratios triangles worksheet.
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