Câu 1: Trang 100 - Toán tiếng anh lớp 5:A steel wire is bent as shown in the figure.Một sợi...

In conclusion, by following these steps, we can find the length of the steel wire bent in the shown figure.

After finding the circumference of the circle, we have the length of the wire, which is equal to the circumference of the circle formed by bending the steel wire.

Then, we use the formula for calculating the circumference of a circle: C = 2 * π * r, where C is the circumference, π is a constant (approximately equal to 3.14), and r is the radius of the circle.

Next, we determine the radius of the circle by measuring the distance from the center to the outer edge of the circle.

First, we need to identify the shape formed by the steel wire. In this case, it is a circle.