if A,B,C,D are the points (3,4,5),(4,6,3),(-1,2,4),(1,0,5),find the angle between AB and CD
Answers
Answer:
If the coordinates of the points A,B,C,D be (1,2,3),(4,5,7),(−4,3,−6) and (2,9,2) respectively, then find the angle between the lines AB and CD
Answer:
Three forms of water are ___ ,___,___
2. About___
per cent of the Earth's surface is covered with water.
3. Leaking ____
pipes. is a source of huge water wastage.
4. Chlorine is added to water to kill the ______
present in it
5. Solution of any substance in water is called _____
6. A solution that contains more dissolved substance than could be dissolved at a specific
temperature is called ______
7. ______ are toxic chemical used by farmers to increase the crop yield.
8. Sewage should be treated properly before discharging it into _____.
9. The unwanted and harmful substances which make the water impure are called _____
10. Solute on dissolving in a solvent forms a _____.
Step-by-step explanation:
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