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CanadaON
Grade 11

Sine and cosine law

Interactive practice questions

Solve for the length of side $a$a.

Round your answer to two decimal places.

Easy
2min

Find the length of $a$a.

Round your answer to two decimal places.

Easy
3min

Calculate the length of $y$y in metres.

Round your answer to one decimal place.

Easy
2min

Find the value of angle $w$w in degrees.

Round your answer to two decimal places.

Easy
3min
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Outcomes

11U.D.1.6

Pose problems involving right triangles and oblique triangles in two dimensional settings, and solve these and other such problems using the primary trigonometric ratios, the cosine law, and the sine law (including the ambiguous case)

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