geometry
posted by kay .
Find the perimeter and area of a right triangle if one leg measures 9 cm and the other leg measures 40 cm. Show all work step by step Include correct units with solution.

r^2 = 9^2 + (40)^2 = 1681cm^2,
r = 41cm.
P = 9 + 40 + 41 = 90cm.
A = BH/2 = 9*40 / 2 = 180cm^2.