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miss Akunina [59]
3 years ago
12

Please help me with this

Mathematics
1 answer:
AysviL [449]3 years ago
4 0

Answer:

Step-by-step explanation:

Slope is (80,20)(120,30) is A 1/4

(80,20) 20 is 1/4 of 80

(120,30)  30 is 1/4 of 120

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9514 1404 393

Answer:

  1. Angle 1 = 139°
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Step-by-step explanation:

These problems let you make use of the fact that the sum of the remote interior angles is equal to the exterior angle.

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1. 53° +86° = ∠1

  139° = ∠1

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2. ∠2 +92° = 133°

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3. (x +9)° +93° = (4x+15)°

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Prove that the two circles shown below are similar. (10 points) Circle C is shown with a center at negative 3, 1 and a radius of
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Well, in reality, all circles are similar to each other. They will all have the same angles, and they don't really have side lengths. So, they are similar.

But to PROVE they are similar, we will transform Circle C to match circle E.

Circle C has a center at (-3, 1), and Circle E has a center of (4, 9). For Circle C to have the same center as Circle E, we will translate Circle C 7 units to the right, and 8 units up.

Since Circle C has a radius of 4, and Circle E has a radius of 3, dilate Circle C by a factor of 3/4. That way, the radius is 3 units as well.

And there you go! The two circles will map perfectly on top of each other.

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