In a triangle rstv, rs=5.3cm and st=4.1 find perimeter of rstv

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !