18. 17.9
19. 21.1
20. I cant see the numbers sorry; if the sides are 6, √85 than it should have an angle of 40.6
A= (a+b/2) × h
Is the formula for a trapezoid
Answer:
295000
Step-by-step explanation:
It would 295,000
I think it is D hope it works
Answer:
r=8
Step-by-step explanation:
59 =7r+3
Subtract 3 from each side
59 -3 = 7r+3-3
56 = 7r
Divide each side by 7
56/7 = 7r/7
8 =r
