In the diagram above, ?PRQ = 90°, ?QPR = 30° and /PQ/ = 10 cm. Find y.
Answer Details
We can use trigonometry to solve for y. Since we know that ?QPR = 30°, then we can determine that:
sin 30° = y/PQ
Solving for y:
y = PQ * sin 30°
y = 10 * (1/2)
y = 5
Therefore, y is 5 cm.
