Question

why no longer non-standard units are considered for the measurement of the length​

Answer 1

Answer:

Non standard units of measurement:

For time: pendulum swing, pulse rate

For weights: grains of corn, liters of water

For distances: span, arm length, 50 sheets of paper

For Volume: glass of water, spoonfuls, teaspoonful drops

For area: one page of paper the letter size, one sheet of plywood

For speed: as fast as the cheetah, as fast as the turtle