[rochester] / trunk / rochester_problib / setAlgebra10QuadraticEqns / SA2volume.pg Repository: Repository Listing bbplugincoursesdistsnplrochestersystemwww

Fri Mar 21 21:03:25 2003 UTC (10 years, 2 months ago) by apizer
File size: 849 byte(s)
new files


    1 ##DESCRIPTION
2 ##  Given the surface area of a sphere, find its volume.
3 ##ENDDESCRIPTION
4 ##LEVEL OF DIFFICULTY('easy')
6
7 DOCUMENT();        # This should be the first executable line in the problem.
8
10 "PG.pl",
11 "PGbasicmacros.pl",
12 "PGchoicemacros.pl",
14 "PGauxiliaryFunctions.pl"
15 );
16
17 TEXT(&beginproblem);
18 $showPartialCorrectAnswers = 1; 19 20$Area = random(20,209,1);
21
22
23 $ans = (.25*$Area)**(3/2)*$PI*(4/3); 24 25 BEGIN_TEXT; 26 Given that the surface area of a sphere is$Area $$\pi$$ cm$$^2$$,
27 find its volume.
28 $BR 29$BR
30 Note:  Your answer must be a number.  No arithmetic operations are allowed.
31 $BR 32$BR
33 The volume of the sphere is  \{ans_rule(10)\} cm$$^3$$.
34 END_TEXT;
35
36 &ANS(strict_num_cmp(\$ans));
37
38
39 ENDDOCUMENT();        # This should be the last executable line in the problem.
40