11.What will be the radius of a circle if it has a diameter og 60cm?
A.10cm
B.15cm
C.25cm
D.30cm
12. What is the area of a circle if the radius is 2 dm?
A. 10.12 dm2
B.12.56dm2
C.21.56dm2
D.51.12dm2
13. The gardener's sprinkler, sprays water in all directions to a distance of 22 ft.What area does it cover? Round your answer to the nearest whole number
A.1 510 ft2
B.1520ft2
C.1530ft2
D.1540ft2
14.A big box has a volume of 2.50 cubic meters. What is its volume in cubic
centimeters?
A.2 500 cm3
B. 25000cm3
C.250 000 cm3
B.255 000 cm3
15.A gallon is filled with 5 000 cm3 of vinegar. Nora wants to transfer the
vinegar to a one-liter bottle. How many one-liter bottle
does she need?
A.50L
B.500 L
C.5 000 L
D.50000L
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Answer:
11. D
11. D12.
C = 12.56
C = 12.56How do you get the circumference or area of the water drums cover?
C = 12.56How do you get the circumference or area of the water drums cover?Formula used/ needed: C = 2πr
C = 12.56How do you get the circumference or area of the water drums cover?Formula used/ needed: C = 2πrC = 2πr
C = 12.56How do you get the circumference or area of the water drums cover?Formula used/ needed: C = 2πrC = 2πrC = 2 * ( 3.14 * 2 )
C = 12.56How do you get the circumference or area of the water drums cover?Formula used/ needed: C = 2πrC = 2πrC = 2 * ( 3.14 * 2 )C = 2 * 6.28
C = 12.56How do you get the circumference or area of the water drums cover?Formula used/ needed: C = 2πrC = 2πrC = 2 * ( 3.14 * 2 )C = 2 * 6.28C = 12.56
13. B
14. C
15. D