Q = (c + d) / 2.....when d = 5 and Q = 21
21 = (c + 5) / 2 ...multiply both sides by 2
2 * 21 = c + 5
42 = c + 5
42 - 5 = c
37 = c <== answer A
Answer:
x=100º
Step-by-step explanation:
The two angles are vertical angles, so they are congruent.
1 ton = 2000 pounds
.1 ton = 200 pounds
So 3 tons = 6000 pounds and .2 tons = 400 pounds
Calculated out to 6400