6 items are filed under this topic.
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A triangular island |
2012-12-29 |
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From Udit:
A long time ago Mr Gibson found an island shaped as a triangle with three straight shores of length 3 km,4 km and 5 km. He declared an 'exclusion zone' around his island and forbade anyone to come within 1 km of his shore. What was the area of his exclusion zone?
Answered by Penny Nom. |
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An exclusion zone around a triangle II |
2011-05-03 |
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From Aishwarya:
A long time ago Mr gibson found an island shaped as a triangle with three straight shores of length 3km, 4km and 5km. He declared an exclusion zone around his island and forbade anyone to come within 1km of his shore. What was the area of his exclusion zone?
This question was answered but did not understand the explanation.
Answered by Robert Dawson. |
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An exclusion zone around a triangle |
2008-09-07 |
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From Awrongo:
A long time ago Mr Gibson found an island shaped as a triangle with three straight shores of length 3 km,4 km and 5 km. He declared an 'exclusion zone' around his island and forbade anyone to come within 1 km of his shore. What was the area of his exclusion zone?
Answered by Stephen La Rocque and Penny Nom. |
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How many two digit numbers contain at least one 7? |
2007-09-06 |
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From Janet:
How many two digit numbers contain at least one number seven?
Answered by Penny Nom. |
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Three dice |
2004-05-10 |
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From A student:
If one has 3, 6 sided dice what is the probability of the numbers that are rolled to total 4 through 10 inclusively?
Subsequent to this, what is the probability to do this consecutively...say 3 times?
Answered by Peny Nom. |
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Numbers with the digit 2 in 1...1000 |
1999-09-20 |
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From Jessica:
Is there a trick to finding out how many numbers containing the digit two is there from 1 to 1000?
Answered by Walter Whiteley. |
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