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Marysya12 [62]
3 years ago
15

An obtuse triangle has two angles 45 n 18 ,and a third unknown angle theta what's the value of the unknown angle​

Mathematics
1 answer:
zlopas [31]3 years ago
7 0

<u>Answer:</u>

An obtuse triangle has two angles 45 and 18. The value of the unknown angle is 117^{\circ}

<u>Solution:</u>

Given that two angles of an obtuse triangle is 45 and 18.  

Third angle is θ  

We are asked to find the value of third unknown angle theta

According to <em>angle sum property of triangle</em>, sum of three angles of triangle is 180^{\circ}

This means in our case sum of 45, 18 and θ should be 180^{\circ}

\begin{array}{l}{=>45+18+\theta=180} \\ {=>\theta=180-63=117^{\circ}}\end{array}

Hence value of unknown third angle of an obtuse triangle is 117^{\circ}

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Answer: The complete question is found in the attachment

Step-by-step explanation:

Law of large numbers: The probability of occurrence of an event becomes closer to the theoretical probability as the number of trials increases

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3 years ago
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2 years ago
What's the mean, median, and mode of 3, 5, 1, 5, 1, 1, 2, 3, 15.
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<h3><em>Answer:</em></h3>

<em>mean = 4</em>

<em>Median = 3</em>

<em>Mode = 1</em>

Step-by-step explanation:

first let’s arrange the numbers from least to highest:

1 , 1 , 1 , 2 , 3 , 3 , 5 , 5 , 15

=====================

The median is the number that’s comes in the middle of the data set ⇒ median = 3  ( the fifth number in the data set)

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________________________

The mode is the number that repeats the most ⇒ mode = 1  (repeated 3 times)

____________________________________

\text{the mean} =\frac{1+1+1+2+3+3+5+5+15}{9} = \frac{36}{9}=4

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2 years ago
Read 2 more answers
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