SOLUTION: A 20-centimeter straw is placed so that it fits exactly at a 60 degree angle to the base in a glass. How tall is the glass to the nearest centimeter? (The hypotenuse is 20cm)

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Question 180741This question is from textbook Saxon Algebra 2
: A 20-centimeter straw is placed so that it fits exactly at a 60 degree angle to the base in a glass. How tall is the glass to the nearest centimeter? (The hypotenuse is 20cm)
 This question is from textbook Saxon Algebra 2

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Let the height of the glass = h. Using the sine function: Sin(a) = h/c where a = 60 degrees and c is the hypotenuse.
sin%2860%29+=+h%2F20
h+=+20%2Asin%2860%29
h+=+20%280.866%29
h+=+17.32cm
The glass is 17 cm. tall.