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sladkih [1.3K]
3 years ago
7

Find the measure of the angle..... Can anyone help???

Mathematics
1 answer:
Musya8 [376]3 years ago
6 0

Answer:

76

Step-by-step explanation:

A full triangle is 180 *always remember

180-153=27

so r is 27

180-77-27=76

or you could do

77+27+x=180

104+x=180

x=180-104

x=76

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Answer:

3 =n

Step-by-step explanation:

-3 +3(n+8)= 2(1 + 6n) - 8

Distribute

-3 +3n +24 = 2 +12n -8

Combine like terms

21+3n = 12n -6

Subtract 3n from each side

21+3n-3n = 12n-3n -6

21 = 9n -6

Add 6 to each side

21+6 = 9n-6+6

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Divide each side by 9

27/9 = 9n/9

27/9 =n

Divide the top and bottom by 3

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3 years ago
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2 years ago
The difference between interior angle in centesimal measurement and sexagesimal measurement is 15° of a regular polygon. Find th
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Step-by-step explanation:

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using centesimal system :

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