3 years ago

Which shows an angle that is approximately 40°? A. B. C.

Mathematics

1 answer:

Margaret [11]3 years ago

7 0

You didn't put the choices

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How many times further is Neptune from the Sun than Mercury is from the Sun?

julia-pushkina [17]

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3 years ago

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Sandra is trying to make a flag out of fabric for her fashion class she wants two of the angles to be 32 degrees and 64 degrees

Sergeu [11.5K]

This problem relies on the knowledge of the sum of the angles inside a triangle.

Consider the diagram below. It shows the same triangle cloned three times and joined together. Notice that the three angles A, B, and C form a straight line at the center. It is a given fact that a straight line measures 180°. Therefore, all angles inside a triangle must add up to 180°.

In the problem, we already know the two angles. We just need to subtract these angles to 180° to get the third angle.

$180-32-64=84$

ANSWER: The third angle needs to be 84°.