Answer:
In the diagram, the obtuse isosceles is what you need.
For your problem, the angle F is the vertex angle B
The base angles A and Z go on both sides.
Step-by-step explanation:
+4
The numbers above are all odd number
The arithmetic progression is the addition of +4
7+4=11
11+4=15
15+4=19
b
250-100 = 150
150/20 = 7.5
7 hours
inequality: 100+20x <=250
