Question

what is perimeter .....​

Answer 1

A perimeter is a path that encompasses/surrounds a two-dimensional shape. The term may be used either for the path, or its length—in one dimension. It can be thought of as the length of the outline of a shape. The perimeter of a circle or ellipse is called its circumference

Answer 2

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Explanation:

Perimeter is the total distance /length around the edge of a solid figure .

There are many solid figure like square, rectangle, Triangle etc.

• perimeter of square is 4a
• perimeter of rectangle is 2(Length+Breadth)
• perimeter of Triangle = sum of its sides say a+b+c (except scalene triangle).

Understand with given example :

Q:-Find the perimeter of a square of side 4 cm each.

Solution : perimeter of a square is 4a

ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ4×4=16cm

we find the perimeter means we find the total distance around the edge of a square.