Answer:
x = 1
Step-by-step explanation:
The sector given in the figure is a semi-circle because the degree measure of the chord is 180 degrees.
Area of semicircle = 0.5π = 0.5π×4.5 = 6.75 sq. inches
x = 12
5x - 7 = 3x + 17
2x -7 = 17
2x = 24