SOLUTION: 1.The ratio of the interior angles of a Euclidean triangle is 4:5:6. Find the measure of each angle. 2.The length of a rectangle is three more than twice its width. What are th

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: 1.The ratio of the interior angles of a Euclidean triangle is 4:5:6. Find the measure of each angle. 2.The length of a rectangle is three more than twice its width. What are th      Log On

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Question 1040347: 1.The ratio of the interior angles of a Euclidean triangle is 4:5:6. Find the measure of each angle.
2.The length of a rectangle is three more than twice its width. What are the dimensions of a rectangle if its perimeter is 78 cm?
Thank you

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
1:
Use a factor, k.
4k%2B5k%2B6k=180
15k=180
k=180%2F15
k=%283%2A6%2A2%2A5%29%2F%283%2A5%29
k=12

2:
system%282w%2B2L=78%2CL=3%2B2w%29
-
w%2BL=39
-
w%2B3%2B2w=39
3w=36
w=12


You can finish these.