Question

. Write the definition of square, rectangle and triangle and the area of square and rectangle.​

Answer 1

Answer:

The definition of the square, rectangle, and triangle and the area of square and rectangle are:​

Step-by-step explanation:

Square

A regular polygon with four sides equal is called a square.

The square has all four angles equal to 90°.

Rectangle

A regular polygon with two adjacent sides equal is called a rectangle.

Triangle

A triangle is a regular polygon with three edges and three vertices.

Triangle of three types. They are equilateral triangle, isosceles triangle, and scalene triangle.

An equilateral triangle has all angles equal and all sides equal while the isosceles is the one with two base angles and two sides equal.

A scalene triangle is a triangle with no sides or no angles equal.

Area of Rectangle

The area of the square is calculated as the product of length and breadth.

Mathematically it is given as,

Area(A)=Length(l) x Breadth(b)

∴ A= lxb

Area of square

Area of a square is the product of a square of lengths(l)

Mathematically written as,

Area of square(A)= l² =lxl

∴A=l²

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