Which is a reasonable estimate for the height of a basketball hoop?

Which is a reasonable estimate for the height of a dishwasher?

Which is a reasonable estimate for the height of a polar bear?

Which is a reasonable estimate for the height of a toaster oven?

Which is a reasonable estimate for the width of a greeting card?

Which is a reasonable estimate for the length of a bus?

Which is a reasonable estimate for the height of a backyard tree?

Which is a reasonable estimate for the length of a water bottle?

Which is a reasonable estimate for the height of a polar bear?

Which is a reasonable estimate for the height of a traffic cone?