Question

В одном дюйме 25,4 мм. Длина стороны одной клетки тетрадного листа равна 0,5см. Чему равна площадь твоего тетрадного листа в единицах СИ и квадратных дюймах

Answer 1

Посчитаем длину листа в клетках - 40 клеток
посчитаем ширину листа в клетках - 34 клетки
длина L = 5 мм * 40 = 200 мм
ширина К = 5 мм * 34 = 170 мм
S = 200 / 25,4 * 170 / 25,4 ≈ 7,87 дюйма * 6,69 дюйма ≈ 52,7 кв. дюйма
S = 0,200 м * 0,170 м = 0,034 м²

Answer 2

Conversion of Units

To find the area of your notebook sheet in both SI units and square inches, we need to convert the given measurements to the appropriate units.

1 inch is equal to 25.4 millimeters (mm). 1 centimeter (cm) is equal to 10 millimeters (mm).

Calculation of Area

The length of one side of your notebook sheet is given as 0.5 cm.

To find the area in square centimeters (cm²), we can use the formula: Area = length × width

Since the length and width are the same (0.5 cm), the formula simplifies to: Area = (0.5 cm) × (0.5 cm) = 0.25 cm²

To convert this area to square inches, we need to convert the area from square centimeters to square inches.

1 square inch is equal to (2.54 cm)². Therefore, to convert the area from square centimeters to square inches, we can use the conversion factor: 1 cm² = (1/2.54)² square inches

Substituting the value of the area in square centimeters, we get: Area in square inches = 0.25 cm² × (1/2.54)² square inches

Now, let's calculate the area in both SI units and square inches.

Calculation:

Area in SI units: Area = 0.25 cm²

Area in square inches: Area = 0.25 cm² × (1/2.54)² square inches

Using a calculator, we can find the numerical value of the area in both SI units and square inches.

Please note that the numerical value of the area will depend on the accuracy of the conversion factors used.