Since there was a ray drawn from A through C the exterior angle of angle C is angle 1. Any straight line should equal to 180 degrees.
Answer:
-8, 7
Step-by-step explanation:
Set up an equation.
<em>x² + x = 56</em>
Set the equation equal to zero and factor.
<em>x² + x - 56 = 0</em>
<em>(x + 8)(x - 7) = 0</em>
Solve for x.
<em>x + 8 = 0</em>
<em>x = -8</em>
<em>x - 7 = 0</em>
<em>x = 7</em>
The possible x values are -8 and 7.
...A right angle congruent sides congruent angles parallel sides
Answer:
x=-4
Step-by-step explanation:
sqrt(x+40) - 17 = -11
Add 17 to each side
sqrt(x+40) - 17+17 = -11+17
sqrt(x+40) = 6
Square each side
(sqrt(x+40) )^2 = 6^2
x+40 = 36
Subtract 40 from each side
x+40-40 = 36-40
x = -4
Your answer is 600. i hope this helps!