Question

Вычисли площадь каждого треугольника , вырезанного из прямоугольников 4см 9см , 10см 5 см

Answer 1

А как они вырезаны?
площадь прямоугольников - 1)4 * 9 = 36см2, 2)10 * 5 = 50см2
серее всего они вырезаны по 2 из каждого т.е. в первом случае - 18см2, а во втором - 25см2

Answer 2

Calculating the Area of Triangles Cut from Rectangles

To calculate the area of each triangle cut from the given rectangles, we can use the formula for the area of a triangle, which is given by:

Area of a Triangle = (Base * Height) / 2

Let's calculate the area of each triangle:

1. For the first rectangle with dimensions 4 cm by 9 cm: - The base and height of the triangle cut from this rectangle are 3 cm and 5 cm, respectively. - Using the formula, the area of this triangle is: Area = (3 * 5) / 2 = 7.5 square cm.

2. For the second rectangle with dimensions 10 cm by 5 cm: - The base and height of the triangle cut from this rectangle are 5 cm and 10 cm, respectively. - Using the formula, the area of this triangle is: Area = (5 * 10) / 2 = 25 square cm.

Therefore, the area of the triangle cut from the first rectangle is 7.5 square cm, and the area of the triangle cut from the second rectangle is 25 square cm.