The angles of a triangle all add up to 180°. In fact, it can be generalized that the sum of the interior angles of an n-sided polygon is equal to 180°(n–2).
A right triangle must have a right angle, which is equal to 90°. If the other angle is 42°, that means that we can find the third angle by subtracting 90° + 42° from 180°.
x = 180° – (90° + 42°) = 48°
Answer:
x=48
Step-by-step explanation:
48/4=12
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The zeroes are -1/2 and -2
last option
You multiply 6ftx20ft then add 1 to it to get your answer
