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Vilka [71]
3 years ago
15

In ABC, the interior angle at A is 51° and the exterior angle at B is 119º. The interior angle at C measures

Mathematics
1 answer:
erastova [34]3 years ago
7 0

Answer:

68 degrees

Step-by-step explanation:

To get the interior angle, we use an important triangle principle

The principle is that the sum of the opposite interior angles equal the exterior angle

Let the second interior angle be x

x + 51 = 119

x = 119-51

x = 68

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Answer:

ASA

ΔFGH ≅ ΔIHG ⇒ answer B

Step-by-step explanation:

* Lets revise the cases of congruence  

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- AAS ⇒ 2 angles and one side in the first triangle ≅ 2 angles  

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* Lets prove the two triangles FGH and IHG are congruent by on of

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∴ m∠FGH = m∠IHG ⇒ alternate angles

- In the two triangles FGH and IHG

∵ m∠FHG = m∠IGH ⇒ given

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3 0
3 years ago
Kevin needs to convert 620 millimeters per minute to meters per hour. Which conversion factors should he use?
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Try this option:
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Therefore, the value in the expression 1.03 represents that there is a 3 percent increase in the savings account each year.

So, the correct option is B. (Answer)

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4 years ago
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