Can somebody me find the volume of each shape

How can we find the measure of an exterior angle if we know the measurement of an interior angle

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.