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Lines and Planes

Author: Math ELS
Description:
Keywords: , , , , , , online teaching

Content:
Definitions:
0. Collinear
1. Height of pyramid whose volume =15 cm³ and base area =9 cm
2. Height of the cone whose volume is 32 π cm³ and r = 4 cm
3. Volume of the cone whose height is 9 cm and r = 5 cm
4. Volume of the cone whose height is 12 cm and r = 3 cm
5. Number of planes passes through 4 non-coplanar points
6. If two straight lines have 3 common non-collinear points
7. The PLANE is determined by
8. Skew lines
9. Two st. lines have two points in common the they
10. radius of the cone whose volume is 24 π cm³ and h = 8 cm
11. Number of planes passes through 3 collinear points
12. Coplanar
13. Number of straight lines passes through two given points
14. Volume of the pyramid whose base area 10 cm² and h = 3 cm
15. Volume of the pyramid whose base area 10 cm² and h = 9cm

Answers:
0. 5 cm
1. infinite
2. intersect
3. 75 π cm³
4. they coincide
5. 3 cm
6. non-coplaner
7. one
8. 30 cm³
9. 36 π cm³
10. 10 cm³
11. Two parallel straight lines
12. 6 cm
13. in the same plane
14. 4
15. on the same straight line
.