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figure

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Significant digits 2017-08-06
Pat pose la question :
The directions for a problem are: "Solve the problem, expressing your answer using the correct number of significant figures."

Problem 0.0043 divided by 2.04
Answer before using the correct number of significant figures is 0.002107843

Is the correct number of significant figures the number below?
2107843

Pat

Penny Nom lui répond.
The volume of a truncated rectangular pyramidal pond 2016-05-13
Paul pose la question :
How do you calculate a partially filled truncated rectangular pyramid if you always know the bottom rectangle, the maximum height top rectangle perimeter, but have a varying height. Similar to filling up a pond you know the current height and dimensions at the max rectangle how do you calculate it half full i.e. 10x30 outside perimeter with a 2x8 base and a max height of 6ft how do you calculate it at 3ft without re-measuring the top perimeter. Thanks, Paul
Harley Weston lui répond.
The volume of 3-D figures 2009-04-29
Serena pose la question :
What is the formula for finding the volume of 3-D figures
Robert Dawson lui répond.
A polyhedron 2009-03-10
Mollie pose la question :
Hi, my name is Mollie and I'm in 5th grade. Here's the math problem I have for homework tonight:

"Larissa made a model of a polyhedron using 8 pieces of clay for the vertices and 18 straws for the edges. What type of polyhedron did Larissa make?" Thanks.

Penny Nom lui répond.
Solid figures 2009-02-10
Rebecca pose la question :
I need to know the names of solid figures. I have several pictures that I need to answer what type they are. Thanks, Rebecca 3rd grade
Penny Nom lui répond.
Naming a figure 2008-04-24
P. pose la question :
What is the name of a figure that has 2 sides that measure 25 feet each and 2 sides that measure 10 feet each?
Penny Nom lui répond.
Some solid figures 2008-02-28
tiffany pose la question :
What solid figure could have? It has 4 more edges than vertices,
Penny Nom lui répond.
What solid figure has 1 flat surface and 0 vertices? 2008-01-30
Cheronda pose la question :
What solid figure has 1 flat surface and 0 vertices?
Stephen La Rocque and Harley Weston lui répond.
Names of solid figures 2007-03-28
Debbie pose la question :
What is the name of the solid figure: 1) base with 5 equal sides and faces that are 5 triangles 2) all 6 faces are squares and 3) 2 congruent pentagons for bases and 5 rectangular faces. Please help! Thanks
Penny Nom lui répond.
Congruent parts of congruent figures 2000-03-10
Erica pose la question :
Yesterday, I recieved a test problem asking to prove two line segments equal. Here is the problem as I was given it:

Given: paralleogram ABCD
AE is perpendicular to DB
CF is perpendicular to DB
Prove: AE is equal to CF

I answered the problem as follows:
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Walter Whiteley lui répond.

 
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