What is the distance between the two parallel planes and ?
Answer and explanation
Correct answer: C.
- Step 1: The distance between two parallel planes and is . Step 2. Here and , so . The denominator is . Thus . **Answer: . Why not the others:** 9 is the difference in constant terms before dividing by the vector magnitude; 1 subtracts the constants incorrectly.
Practise more Geometry, Vectors and Trigonometry.
Free questions with an explanation for every one, and full timed VWO / HAVO Centraal Examen (Netherlands) mock tests.
More Geometry, Vectors and Trigonometry questions
- What is the dot product of the vectors and ?
- What is the angle between the positive x-axis and the line in degrees?
- In triangle , side , side , and angle . Using the law of cosines, what is the exact length of side ?
- What is the cross product of and…
- What are the center and radius of the sphere with Cartesian equation ?
- What is the exact value of derived from the sum-of-angles formula ?