Online worksheet · 2 of 4

Find a missing side - Online practice 2

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 model: chosen acute angle 40 degrees; hypotenuse=12 cm; unknown adjacent=x cm. Sketch and label these facts. Use DEG mode. Choose from sine=opposite/hypotenuse, cosine=adjacent/hypotenuse, tangent=opposite/adjacent. Keep full precision until the final length, rounded to two decimal places.

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