Answer:
6 units
Step-by-step explanation:
Use the Pythagorean theorem:
diagonal² = side² +side²
diagonal² = (3√2)² +(3√2)² = 18 + 18 = 36
diagonal = √36 = 6
The diagonal of a square whose sides are 3√2 units is <u>6 units</u>.
27 feet
6
Step 1: equal any two of the three equations together
2x + 3 = 3x - 9
Step 2: isolate the variable
3 = x - 9
6 = x