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marysya [2.9K]
3 years ago
12

Find the measurement of ∠DOC Round your answer to the nearest whole number.

Mathematics
2 answers:
polet [3.4K]3 years ago
7 0

Answer:

61.2 degrees

Step-by-step explanation:

You want to isolate x on one side of the equation and the numbers on the other side

3x + 2x + 27 = 180

3x + 2x +27 - 27 = 180-27

5x = 153

x = 153/5

x = 30.6

<DOC = 2x

2x = 30.6 x 2

61.2 degrees

Sphinxa [80]3 years ago
3 0

Step-by-step explanation:

2x + 3x + 27 = 180 |sum \: of \: angle \: on \: a \: straight \: line \: is \: equal \: to \: 180| \\ 5x + 27 = 180 |collect \: like \: terms \: |  \\ 5x = 180 - 27  \\ 5x = 153  |divide \: both \: side \: by \: 5|  \\ x = 30.6 \\ since \: x \: is \: 30.6 \: then \: 2x \: is  =  \\ 2 \times 30.6 = 61.2 |final \: answer|

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Read 2 more answers
Write the coordinates of the vertices after a reflection over the y-axis.​
andre [41]

The vertices coordinates following a reflection along the y-axis are S(-6,6), T(2,6), U(2,0), V(-6,0).

<h3>What is reflection?</h3>

A reflection point is created when a figure is constructed around a single point known as the point of reflection or the figure's centre. There is an exact opposite point on the other side of each point in the figure. Under the point of reflection, the figure's size and shape are unaltered.

Given points are p ( 8,-2 ) Q(8,5) R( 4,-2 )

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Therefore, the coordinates of the vertices after a reflection across the Y-axis are P (-8, 2)  Q (-2, 6)  R (-2, 0)

To know more about reflection, visit:

brainly.com/question/26642069

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