Question

According to the diagram shown, a plane's wing is 300 m above the ground sighted at a position 400 m away. What is the length of the side labeled X?

Answer 1

Use pythagorean theorem a^2 + b^2 = c^2
400^2 + 300^2 = x^2
160,000 + 90, 000 = x^2
x^2= 250,000
x= 500 m
so J) 500 m