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mina [271]
3 years ago
15

Help please I need it know

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
8 0
On 15 angle 1 and 2 would be 150 degrees i think, i could be wrong.
On 16 angle 1 would be 140 degrees and angle 2 would be 40 degrees. hope this helps
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Answer:

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slope of DE = (4-7) / (-4 - 2) = 1/2

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