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r-ruslan [8.4K]
3 years ago
9

Hiya how r u Plz answer this question and explain ☃️

Mathematics
1 answer:
lora16 [44]3 years ago
7 0
Answer
69
explanation
all three angles equal 360 so you subtract 168 and 123 from 360
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The equation given below show aplitude and period

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A = 1/2 (Xmax - Xmin)

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2 years ago
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There are many ways to work this out. One way could be:

Add up:
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