Leila purchased 21.5 centimeters of wire for $17.20.
1 answer:
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See attached picture for the answer:
you don't say how to round the answer so I did not round it.
you don't say how to round the answer so I did not round it.
To do this problem, you will need to know the side lengths of the triangle. If you have those, just plug them in for a, b, and c and evaluate the square root.
Here is an example. If the sides are 3, 4, 5.
It would be:
The 6 is in the formula because it is the semi-perimeter (half).
Here is an example. If the sides are 3, 4, 5.
It would be:
The 6 is in the formula because it is the semi-perimeter (half).