Answer:
In a triangle, sum of three angles=180°
So, A+B+C=180
C=180-A-B
C=180-60-a-60+a
C=60°
Hope it helps :-)
a) A line containing point F-DF
b) Another name for line k-BC
c) A plane containing point A-M
d) An example of three non- collinear points.-(B,A)
e) The intersection of plane M and line k-C
Isolate the y to one side so we get: y = 2x - 1
The slope of the line is 2.
72 square centimeters because
<span>(12×10)−(8×6)</span>
<span>120−48</span>
<span>72</span>
