|
1 | | (3.0K) What is the diameter of the circle shown? |
| | A) | 0.4 m |
| | B) | 0.8 m |
| | C) | 1.6 m |
| | D) | 3.2 m |
|
|
|
2 | | Refer to the diagram in question 1. What is the circumference of the circle, to the nearest m? |
| | A) | 10 m |
| | B) | 5 m |
| | C) | 3 m |
| | D) | 2 m |
|
|
|
3 | | Refer to the diagram in question 1. What is the area of the circle, to the nearest m2? |
| | A) | 2 m2 |
| | B) | 8 m2 |
| | C) | 10 m2 |
| | D) | 32 m2 |
|
|
|
4 | | (9.0K) The student choices for food at the school picnic are shown in the circle graph. What percent of students wanted subs? |
| | A) | 7% |
| | B) | 14% |
| | C) | 21% |
| | D) | 28% |
|
|
|
5 | | Refer to the circle graph in question 4. If the school has a population of 350 students, how many asked for hotdogs or hamburgers? |
| | A) | 88 |
| | B) | 116 |
| | C) | 203 |
| | D) | 301 |
|
|
|
6 | | (2.0K) Farmer Macdonald wants to fence a semicircular field to form four horse paddocks as shown. What length of fencing does he need, to the nearest m? |
| | A) | 564 m |
| | B) | 407 m |
| | C) | 307 m |
| | D) | 257 m |
|
|
|
7 | | Refer to the diagram in question 6. What is the area of each paddock, to the nearest m2? |
| | A) | 7850 m2 |
| | B) | 3925 m2 |
| | C) | 1963 m2 |
| | D) | 981 m2 |
|
|
|
8 | | (9.0K) A circular flower bed has a radius of 2 m. A walkway 1 m wide will be laid around the bed. Both the inside and outside of the walkway will have a decorative trim. How much trim is needed, rounded up to the nearest m? |
| | A) | 13 m |
| | B) | 16 m |
| | C) | 32 m |
| | D) | 114 m |
|
|
|
9 | | Refer to the diagram in question 9. What is the area of concrete needed for the walkway, rounded up to the nearest m2? |
| | A) | 13 m2 |
| | B) | 16 m2 |
| | C) | 32 m2 |
| | D) | 114 m2 |
|
|
|
10 | | An all-movie television channel showed 12 dramas, 16 action films, 8 science fiction films, and 4 documentaries. To construct a circle graph, what is the central angle needed for the sector representing science fiction films? |
| | A) | 22.5º |
| | B) | 30º |
| | C) | 36º |
| | D) | 72º |
|
|