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vredina [299]
3 years ago
6

Two angles are supplementary and have a ratio of 1:4. what is the size of the smaller angle

Mathematics
2 answers:
luda_lava [24]3 years ago
7 0
Supplementary angles add up to 180 degrees
ratio of 1:4.....added = 5

1/5(180) = 180/5 = 36 <=== smaller angle
4/5(180) = 720/5 = 144 .... larger angle
Dima020 [189]3 years ago
4 0
Supplementary angles add up to 180 degrees
ratio of 1:4.....added = 5

1/5(180) = 180/5 = 36 <=== smaller angle
4/5(180) = 720/5 = 144 .... larger angle
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Three of exterior angle of n-sided polygon are 50° each two of it's interior angle are 127° and 135° and the remaining interior
irga5000 [103]

Answer:

The value of n is 21.

Step-by-step explanation:

We are given that three of the exterior angle of the n-sided polygon are 50° each two of its interior angle are 127° and 135° and the remaining interior angle are 173 each.

As we know that the sum of all exterior angles of the polygon is 360°. Also, the number of remaining interior angles will be (n - 5).

And, the exterior angle = 180° - the interior angle.

So, according to the question;

(3 \times 50) + (180-127) + (180 - 135) + (n - 5)\times (180-173) =360

150 + 53 + 45 + 7(n - 5) = 360

248 + 7n - 35 = 360

213 + 7n = 360

7n = 360 - 213

7n = 147

n = \frac{147}{7}

n = 21

Hence, the value of n is 21 and this is a 21-sided polygon.

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3 years ago
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What are the solutions of |8n| _&gt;40​? Graph the solutions. Please help me I need the question
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Answer: n < -5 or n > 5


Step-by-step explanation: Solve for n


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2 years ago
I don’t understand how to solve this : <br> -17 + 18 - 12
Llana [10]

Answer:

-11

Step-by-step explanation:

-17+18-12=x

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3 years ago
Read 2 more answers
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