Question

state whether true or false
1.perimeter of a regular octagon of side 5cm is 30cm.___
2.A farmer who wants to fence his field must find the perimeter of the filled.____
3.To find the cost of painting a wall we need to findthe perimeter of the wall .___
4.if the length of a rectangle is halved and breathe is doubled, then the area of the rectangle obtained remains the same.__
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Answer 1

Answer:

For example, if you are adding one and two together, the commutative property of addition says that you will get the same answer whether you are adding 1 + 2 or 2 + 1. This also works for more than two numbers. Say you are adding one, two and three together (1 + 2 + 3).