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Ymorist [56]
3 years ago
9

Eric walks around a triangular path. At each corner, he records the measure of the angle he creates. He makes one complete circu

it around that path. What is the sum of three angle measures that he wrote down
Mathematics
1 answer:
Sladkaya [172]3 years ago
3 0

Answer:

180 degrees

Step-by-step explanation:

What we simply want to do here is to find the sum of all the angles marked by Eric as he walks around the triangular path.

From the question, we are told that he walks around and made a complete circuit, marking a specific angle at each corner. So what this translates to is that at each corner, we have an angle, with the three angles marked forming a triangle.

And from preliminary trigonometry, we know that the sum of angles in a triangle is 180. So by adding each of the angles in the triangular part together, we have a total of 180 degrees

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The sum is 160/(1-r)=1280 where r is the common ratio,
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Which of the following should be avoided when proving a trigonometric identity?
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Answer:

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fundamental trigonometric identities

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3 years ago
The ticket price for an ice hockey match used to cost £19.60. The price has now increased by 12.5%. How much will 2 tickets cost
Amanda [17]

Answer:

The 2 tickets will cost £44.10 after the increase.

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Ostrovityanka [42]
<h2>Answer:   y = - ¹/₂ x + 5 </h2>

<h3>Step-by-step explanation: </h3>

<u>Find the slope of the perpendicular line</u>

When two lines are perpendicular, the product of their slopes is -1. This means that the slopes are negative-reciprocals of each other.

                 ⇒  if the slope of this line = 2     (y = 2x + 2)

                      then the slope of the perpendicular line (m) = - ¹/₂

<u>Determine the equation</u>

We can now use the point-slope form (y - y₁) = m(x - x₁)) to write the equation for this line:  

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We can also write the equation in the slope-intercept form by making y the subject of the equation and expanding the bracket to simplify:

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                                              y = - ¹/₂ x + 5   (in slope-intercept form)

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3 years ago
I need to know the question about the angle please
Naddik [55]
41.5 and 41.5 degrees
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