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3 cards from this section. Quick, good the night before a test.
What is the value of AC if AB = 10 and BC = 6?
Use the Pythagorean theorem.
Find sin(A) if AC = 3 and AB = 5.
Remember, sin(A) = opposite/hypotenuse.
What is the sine function defined as?
Think about the definition of sine in relation to a right triangle.
In triangle ABC with AB = 13 and BC = 12, what is AC?
Start by calculating the values of 13² and 12².
In triangle GHI, if GH = 30 and GI = 18, find HI and sin(G).
Remember the right triangle relationships and apply the Pythagorean theorem first.
Triangle KLM has KL = 10 and LM = 6; find KM and sin(L).
Use the steps for calculating lengths and sine again.
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