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elena-14-01-66 [18.8K]
2 years ago
11

As a member of the student council at your school, you want to determine if the seventh-grade students prefer to

Mathematics
1 answer:
Jet001 [13]2 years ago
4 0

Answer: I dont know

Step-by-step explanation:  i need more information

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Which inequality defines the problem below ?
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D

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an isosceles triangle has angle measures of 55, 55, and 70. the side across the 70 degree angle is 10 inches long. how long are
Shtirlitz [24]

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The other sides of triangles are 8.72 in and 8.72 in

Step-by-step explanation:

 In a triangle ABC. Please find the attachment for figure.

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Side BC=a = 10 in

Using sine law of trigonometry,

\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}

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\dfrac{10}{\sin 70}=\dfrac{b}{\sin 55}=\dfrac{c}{\sin 55}

\dfrac{10}{\sin 70}=\dfrac{b}{\sin 55}

Cross multiply and we get

b=\sin 55\times \dfrac{10}{\sin 70}

b=8.72 in

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please get some help

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