SOLUTION: The diagonal of a rectangle makes an angle of 42 degrees with one of the longer sides. If the length of the rectangle is 12 cm, find the length of the diagonal ( correct to one dec

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Question 1145134: The diagonal of a rectangle makes an angle of 42 degrees with one of the longer sides. If the length of the rectangle is 12 cm, find the length of the diagonal ( correct to one decimal place). Try to draw a diagram if you can ;)
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
d, the diagonal
Right Triangle is formed, hypotenuse is the diagonal d, and longer leg 12 cm, and given angle 42 degrees is between longer leg and the diagonal.

12%2Fd=cos%2842%29

d=12%2Fcos%2842%29