Answer:
D
Step-by-step explanation:
Pythagoras theorem ( a^2 + b^2 = c^2)
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Answer:
a. 6; no
Step-by-step explanation:
(3, 1, 4)·(2, 8, -2) = (3)(2) +(1)(8) +(4)(-2) = 6
The result is non-zero, so the vectors are NOT perpendicular.
Answer:
Consider the segment on the right.
collinear points
If 3 points A, B, and C are collinear and B is between A and C, then
AB + BC = AC
Step-by-step explanation:
Consider the segment on the right.
collinear points
If 3 points A, B, and C are collinear and B is between A and C, then
AB + BC = AC