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3 years ago

In the figure below, AB is a diameter of circle P.

Mathematics

2 answers:

Butoxors [25]3 years ago

5 0

Answer:

139 degrees

Step-by-step explanation:

Subtract 41 from 180. You will get 139 degrees. Arc AC is 139 degrees.

-Briannah-

Yakvenalex [24]3 years ago

4 0

Answer:

The arc measure of ABC is 221°

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We have been given that in triangle ABC angle A=45 angle B =40 and a=7. We are asked to find the equation that we can use to solve for 'f'.

We have two angles and opposite sides to these angles.

We will use Law of Sines to solve our given problem.

$\frac{a}{\sin(A)}=\frac{b}{\sin(B)}=\frac{c}{\sin(C)}$ , where a, b and c are opposite sides corresponding to angles A, B, and C respectively.

The angle opposite to side b is 40 degrees and angle opposite to side a is 45 degrees.

Upon substituting these values in Law of Sines, we will get:

$\frac{7}{\sin(45^{\circ})}=\frac{b}{\sin(40^{\circ})}$

Therefore, our required equation would be $\frac{7}{\sin(45^{\circ})}=\frac{b}{\sin(40^{\circ})}$ .

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3 years ago

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Answer:

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3 years ago

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MaRussiya [10]

Common difference of the arithmetic sequence, is

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Step-by-step explanation:

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