human
Use the properties of an isosceles triangle to find missing lengths What is the difference between the perimeters of these two shapes? ![Beige rectangle with base length 13cm and side length 5cm]() ![Pink, isosceles triangle with base length 4cm and side length 16cm]() \( 72 \mathrm{~cm} \)
gpt
Adds instead of subtracts when asked to find the difference