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Oksanka [162]
3 years ago
5

The sum of interior angles of a regular polygon is 1980 degrees. How many sides does the polygon have?

Mathematics
1 answer:
Montano1993 [528]3 years ago
8 0
The formula for interior angle sum is 180(n - 2).
Backtrack it from that.
180(n - 2) = 1980.
1980 / 180 = 11 = n - 2.
11 + 2 = 13 = n.
The polygon has 13 sides.
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Step-by-step explanation:

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Answer:

The probability a person selected random is not suffering from Malaria  is 0.725.

Step-by-step explanation:

Denote the events as follows:

X = a person is suffering from Malaria

M = a man

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The information provided is:

P (M) = P (W) = 0.50

P (X|M) = 0.10

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Compute the probability a person selected random is suffering from Malaria as follows:

P(X)=P(X|M)P(M)+P(X|W)P(W)

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Then the probability a person selected random is not suffering from Malaria  is:

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4 0
3 years ago
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BARSIC [14]

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Step-by-step explanation:

6 0
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