Answer:
Angle A is 37 degrees, Angle B is 82 degrees, Angle C is 61 degrees
Step-by-step explanation:
Exterior angles are the supplement of interior angles, so subtract 143 from 180 to find Angle A.
180 - 143 = 37
All angles add up to 180.
37 + 61 = 98
180 - 98 = 82
Angle B is 82 degrees.
Hope this helped. :)
Answer:
C. 0, 1.29, -0.65
Step-by-step explanation:
The real solutions of the equation
is where the graph of
intersects the x-axis.
This means that we need to graph
using a graphing software.
From the graph shown in the attachment
,
, and
are the real solutions.
The correct choice is C
18 is the length . Your welcome :)