Current location - Training Enrollment Network - Mathematics courses - The cover of the math book is 2 1 cm long and15cm wide. If you draw the largest square on it, what is the circumference of this square? Residual area
The cover of the math book is 2 1 cm long and15cm wide. If you draw the largest square on it, what is the circumference of this square? Residual area
According to the requirements of the square, the maximum side length of the square is15cm, then
Its circumference is 15*4=60 (cm);
The figure of the remaining area is a rectangle with a length of 15cm and a width of 2 1- 15=6 (cm), so its circumference is