The surface area of a sphere of radius r is A = 4π*r^3.
Since the radius in this case is 8 cm (half the 17 cm diameter), the area of this sphere is
A = 4π(8 cm)^2, or 256π cm^2.
Answer:
126
Step-by-step explanation:
180-54=126
7x -9=3
7x=3+9
X=12/7 ~ 1.71
9 sq units down and 6 sq units to the left