melissa3333
04.03.2021 •
Mathematics
On a 9-hole golf course the hole lengths are 150m, 300m, 250m, 325m, 275m, 350m, 225m, 400m, 425m. A golfer can learn to play only two strokes of different lengths which are played to exactly those lengths whenever played. If every stroke the golfer takes goes directly in line with the hole, what two lengths should the golfer learn in order to minimise the number of strokes needed to complete all 9 holes?
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Ответ:
they are perpendicular to each other
step-by-step explanation:
the only answer choice that isn't complete nonsense is the one shown above.
the x-axis is not the diameter of any circle.
the x-axis has no midpoint.
the x-axis has no endpoints.
a line segment joining any point and its reflected image will be perpendicular to (and bisected by) the line of reflection, no matter what that line is. you can take advantage of this fact to construct the reflected image.