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2 years ago

FIRST PERSON GETS BRAINLIEST

Mathematics

2 answers:

Mars2501 [29]2 years ago

6 0

Answer:

Just took the test and the answer was 61 degrees

Step-by-step explanation:

Btw, the sum of the interior angles of a pentagon = 540 so 138 + 144 + 107 + a right angle +61 = 540 degrees

Sunny_sXe [5.5K]2 years ago

3 0

X = 61 degrees.
Find the number of degrees in a pentagon by using the following formula:
(number of sides - 2)180 = 540.
There are 540 degrees in a pentagon.
Since we know four of the angles, we can subtract them from 540 to get the fifth angle.
540-138-144-107-90 = 61

Hope this helped =)

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