R-4+3r-16=180
4r-20=180
4r=200
r=50
Angle D
r-4
50-4
46
Angle E
3r-16
3•50-16
150-16
134
Answer:
150
Step-by-step explanation:
There will be 23 layers of brick, because 7500/321 = 23 with 117 leftover.
The answer to our question is yes
Everything except for 4 is correct, number 4 is c.
