Step-by-step explanation:
in traingle ABD
SIN45=AD/AB
1/√2=7/AB
AB=7√2
PERIMETER=SUM OF ALL SIDE=2(AB+AD)=2(7√2+=14√2+14
January: 32
February: 28
The percent change is a percent decrease.
Answer: 6.5
Step-by-step explanation: the x in the formula is the slope. And the slope is the rate of change.
We know, Volume of a Cone = πr² h/3
v = 3.14 * (6)² * 11.4/3
v = 3.14 * 36 * 3.8
v = 429.552
Now, for 1 m³, it costs = $20
So, for 429.552 m³, it will be: 20 * 429.552 = 8591
In short, Your Answer would be $8591
Hope this helps!