Question

Рассмотри и объясни разные способы нахождения площади фигуры, вырезанной из прямоугольника а) 7 см 7 см 7 см 3 см S2 3 см S2 3 см S2 5 см 5 см S: S: S 2 см 2 см 2 см 35 - 10 = 25 (см2) 10 + 15 = 25 (см2) 21 + 4 = 25 (см) помогите с записями не знаем как записать ​

Answer 1

12см 2см=10см=67=4874s2 см

Answer 2

Different Ways to Find the Area of a Shape Cut Out from a Rectangle

To find the area of a shape cut out from a rectangle, there are several methods you can use. Let's explore and explain each method in detail.

Method 1: Using Basic Geometry One way to find the area of a shape cut out from a rectangle is by using basic geometry. In this method, you calculate the area of the rectangle and subtract the area of the cut-out shape.

Here's how you can do it: 1. Calculate the area of the rectangle by multiplying its length and width. 2. Calculate the area of the cut-out shape using the appropriate formula (e.g., area of a square, area of a triangle, etc.). 3. Subtract the area of the cut-out shape from the area of the rectangle to find the final area.

For example, if the rectangle has a length of 7 cm and a width of 5 cm, and the cut-out shape is a square with side lengths of 3 cm, you can calculate the area as follows: - Area of the rectangle = 7 cm * 5 cm = 35 cm^2 - Area of the square = 3 cm * 3 cm = 9 cm^2 - Final area = Area of the rectangle - Area of the square = 35 cm^2 - 9 cm^2 = 26 cm^2

Method 2: Using Wolfram Alpha Another way to find the area of a shape cut out from a rectangle is by using online tools like Wolfram Alpha. Wolfram Alpha is a computational knowledge engine that can perform various calculations, including finding the area of shapes.

To use Wolfram Alpha, you can input the dimensions of the rectangle and the cut-out shape, and it will provide you with the area.

For example, if the rectangle has dimensions of 7 cm by 5 cm, and the cut-out shape is a square with side lengths of 3 cm, you can input the following query into Wolfram Alpha: "area of rectangle with dimensions 7 cm by 5 cm minus area of square with side length 3 cm." Wolfram Alpha will then provide you with the result, which in this case is 26 cm^2.

Method 3: Using Programming If you have programming knowledge, you can also write a program to calculate the area of a shape cut out from a rectangle. You can use a programming language like Python to implement the necessary calculations.

Here's an example of how you can write a Python program to find the area: ```python # Define the dimensions of the rectangle and the cut-out shape rectangle_length = 7 rectangle_width = 5 cut_out_shape_side = 3

# Calculate the area of the rectangle rectangle_area = rectangle_length * rectangle_width

# Calculate the area of the cut-out shape cut_out_shape_area = cut_out_shape_side ** 2

# Calculate the final area final_area = rectangle_area - cut_out_shape_area

# Print the result print("The area of the shape cut out from the rectangle is:", final_area) ```

When you run this program, it will output the area of the shape cut out from the rectangle, which in this case is 26 square units.

These are three different methods you can use to find the area of a shape cut out from a rectangle. Choose the method that suits your needs and resources best.