UK Secondary (7-11)
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Side lengths with Exact Values
Lesson

Worked Examples

Question 1

Find the length of side $h$h.

Question 2

Consider the adjacent figure:

  1. Solve for the unknown $\theta$θ. Leave your answer in degrees.

Question 3

Consider the adjacent figure:

  1. Solve for the exact value of $x$x.

  2. Solve for the exact value of $y$y.

Question 4

Consider the equilateral with side lengths of $2$2 units.

  1. Find the perpendicular height $h$h of the triangle.

  2. Determine the measure of angle $x$x.

  3. Determine the exact value of $\sin60^\circ$sin60°.

  4. Determine the exact value of $\cos60^\circ$cos60°.

  5. Determine the exact value of $\tan60^\circ$tan60°.

  6. Determine the exact value of $\sin30^\circ$sin30°.

  7. Determine the exact value of $\cos30^\circ$cos30°.

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