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taurus [48]
3 years ago
15

CAN SOMEONE PLEASE HELP ME WITH THIS!!!!!!!!

Mathematics
1 answer:
nata0808 [166]3 years ago
4 0

Answer:

1.B

2.D

3.C

4.A

hope this helped, msg me if u want more work

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Sergeu [11.5K]
Answer: \begin{gathered} s\text{ = 10}\sqrt{2}\text{    \lparen exact answer\rparen} \\ s\text{ = 14.142   \lparen decimal approx.\rparen} \end{gathered}

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sin\text{ 45 = }\frac{opposite}{hypotenuse}\begin{gathered} sin\text{ 45 = }\frac{s}{20} \\ s\text{ = 20sin45} \\ sin\text{ 45 = }\frac{\sqrt{2}}{2} \\  \\ s\text{ = 20}\times\frac{\sqrt{2}}{2} \\ s\text{ = 10}\sqrt{2}\text{    \lparen exact answer\rparen} \end{gathered}\begin{gathered} s\text{ = 20sin45} \\ s\text{ = 20\lparen0.7071\rparen} \\ s\text{ = 14.142   \lparen decimal approximation\rparen} \end{gathered}

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3 years ago
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