Answer:
360 degrees divided by that order
Multiply the second fraction by three.
4/9 + 3/9 = 7/9
Consider a right triangle in which one of the angles
satisfies

That is, the side opposite
occurs in a ratio of 3 to 5 with the hypotenuse. The side adjacent to
then occurs in a ratio of 4 to 5 with the hypotenuse. In other words,

because

Then in this triangle,
