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Igoryamba
3 years ago
12

HELP ME WITH THIS PLEASE!!! COORDINATES!

Mathematics
1 answer:
likoan [24]3 years ago
7 0
(0, 4)
(-1, -3)
(2, -3)

For a 90 degrees clockwise rotation, the rule is (y, -x)
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Answer:

5. x=21.9 units

6. x=14 units

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Step-by-step explanation:

5. Assuming that the line through the middle of the triangle in 5, we can split the 18 units side into 9 and 9. Using pythagorean theorem (a^2+b^2+c^2), we can find that x is equal to \sqrt{81+400} making x \sqrt{481}. Rounding to the nearest tenth, we get x is about 21.9 units

6. By doing pyth. th. on one of the triangles, we get sqrt(361-289) which is sqrt(72), which is about 8.5 units. Subtracting 8.5*2 from 31, we get 14 for x

7. by doing pyth th on the smaller triangle, we get sqrt 228 and now we can do pyth th again with 28 (44-16) and sqrt228, which turns out to be sqrt (784+228) which is sqrt (1002), which when rounded the nearest tenth is 31.7

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