Answer:
Step-by-step explanation:
Transversal or Corresponding angles
x=5
Check the picture below.
now, let's rationalize the denominator for "r" first.
also notice, that section is just 1/4 of the area of that circle, so, let's just find the area of the whole circle with that "r", get one-quarter of it, and subtract it from the half of the area of the square.
C cause 9 and 243 are the suplies and 4 and x are the number of houses that can be made