Answer:
34°
Step-by-step explanation:
The measure of vertical angles formed by two chords is equal to one half the sum the measures of the arcs.
In other words, x is the average:
x = (23° + 45°) / 2
x = 34°
Answer:
The different one is C, pi times the radius
Step-by-step explanation:
"Different" value is 18.85 and the "same" value is 37.70.
The distance around a circle, circumference and pi times the diameter all finds the same value, but pi time the radius is only half of those values
Answer:
x + 4
Step-by-step explanation:
(x - 9)(x + 4)
FOIL
x^2 + 4x - 9x - 36 = x^2 - 5x - 36
2 units i believe but not entirely sure