Explanation:
here's your solution
=> in first figure , base = 5.5, perpendicular =7.8
=> h^2 = 5.5^2 + 7.8^2
=> h^2 = 30.25 + 60.84
=>h^2 = 91.09
=> h = √91.09
=> h = 9.5
Both figure are congruent
enc we will get a rectangle by add both
hope it helps