X 2 + 6x + 8 = 0 Final answer: x = x = ____
1 answer:
You might be interested in
Answer:
4 cm
Step-by-step explanation:
The diagonal divides the square into 2 right angles with legs s and the diagonal as the hypotenuse.
Using Pythagoras' identity in the right triangle , then
s² + s² = 8²
2s² = 64 ( divide both sides by 2 )
s² = 32 ( take the square root of both sides )
s = = 4