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PROBLEM:

A table is 35dm long and 15dm wide. What is its perimeter?

SOLUTION:

PERIMETER

• distance around a polygon or around a two-dimensional shape
• to calculate perimeter, you just need to add all the lengths of each sides

We can easily say that the table is in the shape of rectangle since the given measure of sides are not equal.

To get the perimeter of a rectangle, you need to double the sum of the length (long) and the width (wide).

The formula is P = 2 ( l + w ) in which P is the perimeter, l is the length while w is the the width.

ANSWER:

• The perimeter of the table is 100 decimeters.