Answer:
A=150
Step-by-step explanation:
1/2ab=A
1/2 15x20 = 1/2 300 = 150 = A
Hope this Helps! :)
Hypotenuse = 25
Pythagorean theorem: a^2+b^2 = c^2
15^2+20^2 = c^2
225+400 = c^2
625 = c^2
25 = c
