Complementary angles add up to 90 degrees. Congruent angles are equal to one another (have the same degrees) Supplementary angles add up to 180 degrees.
124 + 56 = 180
The angles are supplementary
You have to divide the fractions by the numbers
4 Tubes would cover it all.
Hope this Helped! ~Giz
63/x=90/100
5670=100x
56.7