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Example

45 o. 8. a. 45 o. a. Example. The hypotenuse of an isosceles right triangle is 8 ft long. Find the length of a leg. Give an exact answer and an approximation to three decimal places. Solution. Exact answer : Approximation :. 2 a. 2 a. a. a. a. Example.

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Example

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  1. 45o 8 a 45o a Example The hypotenuse of an isosceles right triangle is 8 ft long. Find the length of a leg. Give an exact answer and an approximation to three decimal places. Solution Exact answer: Approximation:

  2. 2a 2a a a a

  3. Example The length of the longer leg is the length of the shorter leg times This gives us The shorter leg of a 30o-60o-90o right triangle measures 12 in. Find the lengths of the other sides. Give exact answers and, where appropriate, an approximation to three decimal places. Solution The hypotenuse is twice as long as the shorter leg, so we have c = 2a 2a c = 2(12) c = 24 in. 30o 60o 12 Exact answer: Approximation:

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