Answer:
A = 480
Step-by-step explanation:
Step 1: Use Pythagorean Theorem to find the other side
a^2 + b^2 = c^2
(30)^2 + b^2 = (34)^2
900 + b^2 - 900 = 1156 - 900
sqrt(b^2) = sqrt(256)
b = 16
Step 2: Find the area by using the formula A = w * l
A = 16 * 30
A = 480
Answer: A = 480