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50 degs

140 degs

145 degs

Step-by-step explanation:

Complementary angles are two degree angles that add up to 90 degrees.

You can take what's given of 40 degs and do 90 - 40 to get the missing angle.

Supplementary angles add to 180 degs so 180 - 40 = 14.

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--> They also are straight lines pretty much since a linear/straight line is 180 degrees.

So 180 - 35 = 145

  q

step-by-step explanation:

each line from a vertex to the midpoint of the opposite side is called a median. the point where the medians intersect, point q, is the centroid.

the centroid of δabc is point q.

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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