Pythagorean theorem: a² + b² = c²
a² and b² are the legs, and c² is the hypotenuse.
Plug in 9 to a² and b² since you know that both the right triangle's legs are 9 cm.
9² + 9² = c²
81 + 81 = c²
162 = c²
Square root both sides.
c = 12.7 cm
X^2+8x+x+8 simplifies to x^2+9x+8
Answer:
3rd option x=3, y=5
Step-by-step explanation:
Answer:600 meters per minute
Step-by-step explanation:
