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Lines and Planes

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

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

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