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5 cards from this section. Quick, good the night before a test.
Define a right-angled triangle.
Consider the unique angle measurement.
What is the sine of an angle in a right triangle?
Think about the sides related to the angle.
What is the longest side in a right-angled triangle called?
Remember the side opposite to the right angle.
True or False: The opposite side is always the longest side of a right triangle.
Think about the triangle's sides.
A right triangle has an angle θ = 30° and the adjacent side measures 8 cm. Calculate the lengths of the hypotenuse and opposite side.
Use both cosine for hypotenuse and sine for opposite.
If the hypotenuse is 20 cm and one angle θ = 45°, find the lengths of the adjacent and opposite sides.
Utilize the fact that both sides are equal in a 45°-45° right triangle configuration.
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