SOLUTION: I have a picture of a triangle and my instructions are : find the length of the unknown side of each triangle, give the exact length and a one decimal place approximation.
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Question 451205: I have a picture of a triangle and my instructions are : find the length of the unknown side of each triangle, give the exact length and a one decimal place approximation.
my one side is 5 then square root of 3 beside it, and another side is 10 cm. How do i do this? Answer by solver91311(24713) (Show Source):
It depends on whether it is a right triangle or not. If not, then I can't help you because you haven't provided enough information. If it is, then you can do this one of two ways. First - use the Pythagorean Theorem:
Where is the measure of the hypotenuse.
Or you can recognize a 30-60-90 right triangle where if the shortest side is , the longest side is , and the remaining side is . Hence, where then
John
My calculator said it, I believe it, that settles it
