No shes not.
You need to add all the sides if finding perimeter
In probability<span> theory, the </span>law<span> (or formula) of total </span>probability<span> is a fundamental rule relating marginal </span>probabilities<span> to conditional </span>probabilities. It expresses the total probability<span> of an outcome which can be realized via several distinct events. I hope this answers your question! :)</span>
