DO THE FOLLOWING PROBLEMS IN DETAIL!
1. Find the circumference of a circle having radius 15 cm
2. A circle has an area which is numerically equal to its circumference. Find the radius of the circle!
3. A circle has a circumference of 62,8 cm. Taking phi= 3,14, the radius is....
4. A wheel rotating through 2,000 full turns travels a distance of 5,204 m. The area of each of the wheel's circular face is....
5. A wheel has a diameter of 56 cm. If the wheel rotates through 400 full turns, the distance it travel is...
6. A park is built in circular shape with a diameter of 42 m. on the park's perimeter, palm trees are planted and spaced 3 m apart. how many palm trees are planted?
7. A minute hand of a clock is 20 cm long. If the hand rotates for 25 minutes, then the distance the tip of the hand travels is...
8. In a circle O, The measurement of angle AOB is 72 degree and the radius is 21 cm. The area of sector OAB is....
9. A satellite is in an orbit 800 km above the Earth's surface. Knowing the length of the Earth radius as 6,400 km and assuming the satellite's orbit as circular, find:
a. the length of the orbital radius
b. the distance the satellite travels in one complete orbit
10. A sprinter is running on a circular track which is 396 m long. ind the radius of the track!
Langganan:
Posting Komentar (Atom)
kalo buad 8G gimana, bu?
BalasHapus