a square has four equal sides, and we know the perimeter or namely the sum of all those four sides is 1/7 yard, so
s = length of one side.

Answer:
By multiplying 0.2 by 9 you can get the decimal equivalent of 9/5.
A)
Answer
180 - 65 = supplementary angle.
115 = supplementary angle.
To check, add the angles together. 65 + 115 = 180 (check)
b) Complementary angles adds to 90⁰. Therefore, complementary angle of 51 is
90-51=39