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A rectangular prism with rounded corners 2018-04-25
Jackie pose la question :
Rectangular prism that is 40 by 20 with rounded corners with a radius of 2.5.

What would the surface area be?

Penny Nom lui répond.
6 faces and 8 corners 2011-03-04
noemi pose la question :
jeff made a figure with 6 faces the figure has 8 corners all of the faces are the same size and shape what figure did jeff make
Penny Nom lui répond.
A rectangle with rounded corners 2010-10-21
Connie pose la question :
How do you find surface area if the rectangle is 100ft. by 200ft. with quarter circles in the corners with a radius of 20ft. ?
Penny Nom lui répond.
Four Corners Maths Problem 1999-02-16
Helen Williams pose la question :
I am currently a student teacher in the UK and I have to write a 1000 word report on the following maths problem which I am completely stuck on! PLease HELP!! Choose and 3 by 3 section of the hundred square. Add the total of the four corners. How many different groups of four numbers can you find that add up to that number? eg,
 1 2 3 11 12 13 21 22 23
Total of 4 corners add up to 48.

Adding 2, 13, 22, 11 also make 48 etc..

How many different groups of 4 numbers would add up to 48?

How would these results compare with thoses obtained from a 3 by 3 square in which the numbers are consective? eg,
 1 2 3 4 5 6 7 8 9