Well, you’d better dust off your protractor because the most traditional way of measuring a mountain’s height most definitely does involve some trig skills. It’s a method called ...

The height of a tree would be measured in metres (m). Why not see how much you know about this topic already? Then work through the page and see if you can beat your score. You can measure ...

Directly measuring body fat ... "BMI is really looking at how much do you weigh relative to your height. But not every, say, six foot man who has the same weight is obese versus healthy.