19. A park measures 8km by 6km has an adjacent parking lot whose measurement is 1. 5km by 1. 5km. Whatis the total area of the park and its parking lot?A 50km B. 50. 25km C. 50. 50km d. 50. 75km20. A circle is inscribed in a square. If the side of the square is 10cm. Find the area of the shaded region. A 100 cm?C. 78. 5 cmB. 57cmD. 21. 5cm​.