Topics
Trigonometry
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CanadaON
Grade 10

Find angles in right-angled triangles

Lesson
Practice

Interactive practice questions

Find the value of $x$x to the nearest degree.

 

A right-angled triangle with vertices labeled A, B, and C. The right angle is at vertex A located at the bottom left. An angle marked as 'x' is located at vertex B. Adjacent to the angle labeled as x is side AB with the length of 5 units. Opposite to the angle labeled as x is side AC with the length of 12 units. Side BC is the hypotenuse and is not labeled with a length. 
Easy
1min

Use the tangent ratio to find the size of the angle marked $x$x, correct to the nearest degree.

Easy
1min

Find the value of $x$x to the nearest degree.

Easy
1min

Find the value of $x$x to the nearest degree.

Easy
1min
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Outcomes

10D.T2.02

Determine the measures of the sides and angles in right triangles, using the primary trigonometric ratios and the Pythagorean theorem

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