Answer:
acute
Step-by-step explanation:
5 is lower than a 90* angle
if this is wrong I'm very sorry.
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9514 1404 393
Answer:
a = 3
Step-by-step explanation:
The x-values 5, 3, 1 form an arithmetic sequence. The y-values will do the same: 1, 2, a = 1, 2, 3 -- a common difference of +1.
a = 3
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