Answer:
a triangle always equals 180 degrees so
63+ 2x+8 + x+7 =180
solve for x
and then plug it back into original equation
let me know if this makes sense
glad to help you more if needed
Step-by-step explanation:
Answer:
⊥
Step-by-step explanation:
d and b meet at a 90 degree angle ( as shown by the box)
The lines are perpendicular (⊥)
The 3 it is the one the bottom left corner
The formula of a midpoint:

The formula of a distance between two points:

We have the points P(3, 5) and Q(7, 5). Substitute:

<h3>M(5, 5)</h3>

<h3>Answer:</h3><h3>Midpoint = (5, 5)</h3><h3>Distance = 4</h3>