The formula for surface area of a cone = 2pi rh
the radius of the base = 12inches
by the pythagoras theorem, 400 - 144 = 256 =16^2
therefore the height of the cone = 16inches
the surface area of the cone= 16 × 24pi
=384pi inches
please mark as brainliest
Answer:36
Step-by-step explanation:
48-12=36
(R)
1.60
2. 70
3. 12 x 2, 8 x 3, 6 x 4
4. 18 x 2 , 12 x 3, 4 x 9
not sure for the first 2 but hope this helps
