The elevations of five points below sea level are given here. Which elevation is closest to sea level? A. -50 feet B. -68 feet C
2 answers:
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Answer:
Step-by-step explanation:
Triangle P is mapped onto Q so P is the initial triangle that will transformed.
We can rotate counterclockwise 90° but we cannot do it about the origin (0,0) because the red point (5, 1) will end up at ( -1, 5) .
We see that the point (5, 1) ends up at ( -2, 4) so the center of rotation is lower than the origin.
The transformation is rotation of 90° about the point (0,-1)
Step-by-step explanation:
- Set up equation as we know both weights are equal.
- Subtract two from both sides and divide by 2 to isolate the variable a.
- 3 = a