Online worksheet · 3 of 4

Choose the ratio containing known and wanted sides - Online practice 3

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

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Right triangle with hypotenuse 14 cm and chosen acute angle 30 degrees. Relative to that angle, the unknown shorter sides are opposite and adjacent. sin(30 degrees)=1/2 and cos(30 degrees)=sqrt(3)/2. Use these exact ratios; if checking on a calculator use degree mode.

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