The main formula of a spherical surface area is SA= 4 x Pi x r²
the circumference is C= 19cm =2 Pi r, so r = C/ 2Pi = 19 / 6.28 =3.02cm
so the surface area can be found by computing
SA= 4x 3.14x 3.02² =114.5, the nearest square centimeter is <span>A) 114 cm^2</span>
Answer:
More boys than girls
Step-by-step explanation:
Answer: I think A
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Done on apex
Answer:
Working alone, the faster pipe can do the work in 3 hrs; the slower pipe can do the work in 6 hrs.
Step-by-step explanation: