Answer:
64 × pi m²
Step-by-step explanation:
the formulas needed for the surface area of a cone are :
base area plus the "mantle", the lateral "wall" around it.
the base area is a circle.
so, that formula is Ac = pi×r²
the "wall" formula is Aw = pi×r×s
r = radius
s = slant height = 12
the formula for the surface area of a sphere is
As = 4×pi×r²
we know now, that both surface areas are the same, and also the radius is the same for both objects.
Ac + Aw = As
pi×r² + 12×pi×r = 4×pi×r²
=>
12×pi×r = 3×pi×r²
12×pi = 3×pi×r
12 = 3×r
r = 4 m
now, we only need to use this value of r in our formulas for surface areas, like for the sphere :
4×pi×r² = 4×pi×4² = 4³×pi = 64×pi
Answer:
Step-by-step explanation:
I think its substitution
Answer:
141.37 cm^3
Step-by-step explanation:
The volume of the hemisphere is 56.55 and the volume of the cone is 84.82. add them
Y = 2/3x - 6
-2/3x + y = -6...multiply everything by -3
2x - 3y = 18 <== standard form
Answer:
You are wrong and the correct answer is vaunted.
Step-by-step explanation:
Why? Because it would be the only applicable word for this sentence.
Omnipotent: Having unlimited power; able to do anything.
Overt: One or shown openly; plainly or readily apparent, not secret or hidden.
Annihilated: Destroy utterly; obliterate.
Vaunted: Praised or boasted about, especially in an excessive way.
