Trigonometry

NZ Level 7 (NZC) Level 2 (NCEA)

Applications to Real Life I

A soft drink can has a height of $11$11cm and a radius of $4$4cm. Find $L$`L`, the length of the longest straw that can fit into the can (so that the straw is not bent and fitsÂ entirely inside the can).

Give your answer rounded down to the nearest cm, to ensure it fits inside the can.

Easy

Approx 2 minutes

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Apply trigonometric relationships, including the sine and cosine rules, in two and three dimensions

Apply trigonometric relationships in solving problems