Answer:
To find the perimeter of a quadralateral on a coordinate plane, use the distance formula to find the length of each side, and then add the lengths. By using this method, you can find the perimeter accurately.
B. False.
The net of a cube is made up of 6 squares and not 5 squares.
A counterexample is an example that disproves a proposition. In the proposition, "Subtraction whole numbers is commutative", we are being told that
A - B = B - A
Well we can see that is not true by stating
4-3 does not = 3-4
so that is the correct counterexample.
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