On earth, a kilogram is equivalent to 2.2 pounds. true false

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Which of the following represents the length of a diagonal of this trapezoid?

I’m really confused and need your assist me with this question i’ve never been taught