Grade 12

Sine law - the ambiguous case

Lesson

Practice

Interactive practice questions

Find the value of $x$x using the sine rule, noting that $x$x is acute.

Round your answer to two decimal places.

A triangle with one angle at the top labeled as $48$ degrees. Opposite this angle, the side is labeled as $72$ $m$ . The angle opposite the $75$ $m$ side is labeled with $x$`x` degrees. The remaining side and angle are not labeled.

Easy

2min

Consider $\triangle ABC$△ABC below:

Easy

5min

Find the value of $x$x using the sine rule, noting that $x$x is obtuse.

Round your answer to two decimal places.

Easy

3min

Find the value of $x$x using the sine rule, noting that $x$x is obtuse.

Round your answer to two decimal places.

Easy

3min

Outcomes

12CT.C.1.5

Solve problems involving oblique triangles, including those that arise from real-world applications, using the sine law (including the ambiguous case) and the cosine law

Sine law - the ambiguous case

Interactive practice questions

Outcomes

12CT.C.1.5

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