meters
As for all objects, vertically measure it.
Trigonometry
trigonometry
To do this, you will need to measure the length and the width and the height and your have your answer to the volume.
One of the best apps to measure the height of a person in a photo is "EasyMeasure." This app uses the camera on your device to estimate the height of objects in the photo.
People who need to measure height of objects such as trees, buildings, etc.
Find length, width, and height. Then you would proceed to multiply all three numbers and there you have your answer.
Area = base * height(height being the vertical measure, not the sloped measure)Area = base * height(height being the vertical measure, not the sloped measure)
A ruler is an example of an instrument that can be used to measure relatively small linear distances, though it could not measure all three at once.
One method would be to measure the elephant's shadow and the shadow of a known object with a known height, then use the ratio of the two shadows to determine the elephant's height. Pi comes into play when calculating the angle of the sun's rays hitting the objects to account for the height difference.
To know the mass of objects
You measure the length of two objects, then you divide the lengths.You measure the length of two objects, then you divide the lengths.You measure the length of two objects, then you divide the lengths.You measure the length of two objects, then you divide the lengths.