Find the measures of the interior angles of the triangle. Help plz

Mathematics

2 answers:

solniwko [45]3 years ago

7 0

All interior angles equal to 180 just add the two angles you have and subtract it from 180 to get the final angle

lana66690 [7]3 years ago

4 0

Answer:

A=65

B=40

C=75

Step-by-step explanation:

C= 180-65-40

=75°

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Find the midpoint of points A(-3,9) and B(0, 1) graphically.

Studentka2010 [4]

Answer:

$(-\frac{3}{2} , 5)$

Step-by-step explanation:

The graph is in the image

$Midpoint =\left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)\\\\\left(x_1,\:y_1\right)=\left(-3,\:9\right),\:\left(x_2,\:y_2\right)=\left(0,\:1\right)\\\\\left(\frac{0-3}{2},\:\frac{1+9}{2}\right)\\\\Add\:or\:subtract\:the\:numbers\\\\(\frac{-3}{2} , \frac{10}{2}) \\\\Simplify\\\\(-\frac{3}{2} , 5)\\$