Sine Ratio Worksheet
This worksheet focuses on understanding and applying the sine ratio in right-angled triangles for Grade 10 students.
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Sine Ratio Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. In a right-angled triangle, the sine of an angle is defined as the ratio of the length of the side to the length of the .
2. The acronym used to remember the trigonometric ratios is .
For the right-angled triangle shown below, calculate sin(A) and sin(B). Round your answers to two decimal places.
sin(A) =
sin(B) =
1. If sin(θ) = 0.5, what is the approximate value of θ to the nearest degree?
30°
45°
60°
90°
2. In a right-angled triangle, if the opposite side is 8 units and the hypotenuse is 10 units, what is the sine of the angle opposite the 8-unit side?
0.6
0.8
1.0
1.25
Use the sine ratio to find the length of the missing side 'x' in the triangle below. Round your answer to one decimal place.
x =
A ladder leans against a wall, making an angle of 65° with the ground. If the ladder is 12 meters long, how high up the wall does it reach? Round your answer to one decimal place.