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2 years ago

9

DG¯¯¯¯¯¯ , EG¯¯¯¯¯ , and FG¯¯¯¯¯ are perpendicular bisectors of the sides of △ABC . DG=5 centimeters and BD=12 centimeters. What

is CG ? Enter your answer in the box.

2 answers:

pshichka [43]2 years ago

4 0

Your answer should be 13cm

AysviL [449]2 years ago

4 0

The answer should be 13 cm, I'm taking the same quiz.

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3 years ago

Using the Pythagorean Theorem, find the length of a leg of a right triangle if the other leg is 8 feet long and the hypotenuse i

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3 years ago

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2 years ago

Anettt [7]

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M 2 = 2x°, m 3 = 5x°, m 1 =<br><br> 2x + 5x<br> 5x - 2x<br> 180 - 5x<br> 180 - 7x

MaRussiya [10]

We know: the sum of measures of triangle angles is 180°.

Therefore we have the equation

$m\angle1+m\angle2+m\angle3=180^o\to m\angle1=180^o-m\angle2-m\angle3$

Substitute $m\angle2=2x,\ m\angle3=5x$ :

$m\angle1=180-2x-5x=180-7x$

<h3>Answer: 180 - 7x</h3>

8 0

3 years ago