18. The diameter of a round table is 3 meters. What is its area?
A) 4.065 m2
B. 5.065 m2
C. 6.065 m2
D. 7.065 m2
19. A circular mat has a diameter of 50 cm. What area can the mat cover?
A. 1 962.50 cm
cm2 B. 2 962.50 cm2
C. 3962.50 cm2 D. 4 962.50 cm2
20. A shoe box has a volume of 3.50 cubic meters. What is its volume in cubic
centimeters?
A. 350 cm3 B. 3 500 cm3 C. 35 000 cm D. 350 000 cm3​