Write an algebraic expression or equation five times the sum of 3 and a number
1 answer:
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Answer:
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Step-by-step explanation:
Answer:
<h2>90</h2><h2 />Step-by-step explanation:
see attached image.
internal angle must be equal to 180
- ∠2 + 33 + 57 = 180
- ∠2 = 180 - 57 - 33
- ∠2 = 90
