Answer:
x=77
Step-by-step explanation:
Since both triangles are congruent, the angles will also be equal. Hence, x=77 degrees.
area of a circle=πr^2
=3.14*(73)^2
=3.14*5329
=16733.06 ft^2
Multiply both sides by 4 to isolate the x term.
x = 5 × 4
x = 20