Answer:
x = 6
Step-by-step explanation:
8x = 48,
Divide each side by 8 to isolate x
8x/8 = 48/8
37.5 cm
See attached for reference.
let the diagonal be x,
By Pythagorean formula:
x² = (22.5)² + (30)²
x = √[(22.5)² + (30)²]
x = 37.5 cm