180 ÷3 = 60 ° (angles on a straight line equals to 180 ° )
a+b+60 =180°
a+ b= 180 ° - 60° = 120°
(a+b) are 2 variables
so 120 ÷2 =60 °
therefore a and b =60 °
c +b+ 60° = 180° ( co - interior angles are supplementary angles )
c+60° +60° =180°
c +120° =180°
c =180°-120°
c=60 °
d=60° (alternate angles are equal )
or
c+b+d=180°
60° +60° + d = 180°
d=180°-120°
d=60°
Answer:
658.3 ft
Step-by-step explanation:
tan(90-28) = y/350 -->
tan(62) = y/350 -->
tan(62)*350 = y -->
658.254262871 ft -->
658.3 ft
Answer:
The lines intersect at a right angle
Step-by-step explanation:
Answer: -5/6
Step-by-step explanation:
1) You have to do rise over run (if you can not do rise over run then you must pick 2 points that you can easily identify).
2) OR pick 2 points
(-4,1) (2,-4)
x1 = -4
y1 = 1
x2 = 2
y2 = -4
Equation to plug into: m= y2 - y1 / x2 - x1
(m is slope)
m = -4 - 1 / 2 - - 4
m= -5 / 6
