The sum of the three sides of an isosceles triangle is 1 meter. The waist length of this isosceles triangle is two fifths of a meter. How long is its bottom?
One fifth of a meter~
An isosceles triangle, waist length 5 / 8 DM, bottom length 5 / 6 DM, this isosceles triangle circumference is how many decimeters?
Five eighths of a decimeter multiplied by two plus five sixths of a decimeter = twenty-five twelfth of a decimeter = two and one twelfth of a decimeter
The circumference of an isosceles triangle is 7 / 10 meters, one of which is 1 / 5 meters long. How many meters is the bottom of the isosceles triangle?
The perimeter is 7 / 10 meters, and one waist is 1 / 5 meters long. The bottom of this isosceles triangle is 7 / 10-2x1 / 5 = 3 / 10 meters