Answer:
We can find the surface area of any pyramid by adding up the areas of its lateral faces and its base.
Surface area of any pyramid = area of base + area of each of the lateral faces
Example:A=lw+l(w2)2+h2+w(l2)2+h2=3·2+3·(2
2)2+82+2·(3
2)2+82≈46.46559
Step-by-step explanation:
Divide 45 by 90%
45÷0.90=50
Check your work:
=50*90%
=50*0.90
=45
45 is 90% of 50
Hope this helps! :)
Answer:

Step-by-step explanation:
Hello, I can help you with this ,
assuming the aquarium has a normal shape
The volume can be calculated with:
Volume= length*width*depth
Step one
according to the information in the question

put the values into the equation

combine similar terms

Have a good day.
So a circular pool will be in the shape of a cylinder. and the formula for finding the area of a cylinder is

. r=radius, h=height. If we put the numbers into the equation it is

.14 squared is 196 and 4*14= 56. So our equation is now

. 2*pi=6.28318530718 but let's round that to 6.283. So now our equation is much simpler 6.283(196)+6.283(56). Just multiply them. 1231.504+351.858= <span>
1583.362</span> is your final answer.
Answer: 3.5
Step-by-step explanation: