Algebra Geometry Practice Test Results

Question 1
65% answer correctly
A circle has a diameter of 18 inches. What is its approximate area?
28.27
254.47
81.00
88.83
Question 2
52% answer correctly
A tube has a radius of 4 inches and a height of 8 inches.\n What it`s approximate volume?
402.12 \\(in^2\\)
315.83 \\(in^2\\)
100.53 \\(in^2\\)
804.25 \\(in^2\\)
Question 3
41% answer correctly
Find the diagonal of a square whose area is 4.
2
1
\\(2\\sqrt 2\\)
\\(4\\sqrt 2\\)