Question

Длина прямоугольника a см, а ширина составляет 45% его длинны. Какова площадь этого прямоугольника?

Answer 1

0,45а^2 кажется так выходит

Answer 2

А-длина, ширина 0,45*а, площадь а*0,45*а=0,45*а(вквадрате)

Answer 3

Calculating the Area of a Rectangle

To calculate the area of a rectangle, we can use the formula: Area = length * width.

Given that the length of the rectangle is a cm and the width is 45% of the length, we can express the width as 0.45a.

Calculating the Width of the Rectangle

The width of the rectangle is 45% of its length, so the width can be calculated as: Width = 0.45a.

Calculating the Area of the Rectangle

Using the formula for the area of a rectangle, we can calculate the area as: Area = a * 0.45a.

Final Calculation

The area of the rectangle is given by the formula Area = a * 0.45a.

Let's calculate the area using the given length a.