Step-by-step explanation:
Given that,
The height of the cone, h = 24 cm
The radius of the cone, r = 10 cm
The slant height of the cone is :

The lateral area of the cone is given by :

The surface area of the cone is given by :

Answer:
(Since 3.14 seems more reliable, I'll use that for all four instead)
A: 17.6 ft
B: 81.6 mm
C: 9 cm
D: 12 in
Step-by-step explanation:
A:

B:

C:

D:

Because it has more mass so with less mass it accelerates faster. That is newtons 2nd law of motion.
Density is the degree of compactness of a substance. It is the degree of consistency measured by the quantity of mass per unit volume. It is the relationship between the mass of the substance and the amount of space it takes up. I hope it helps.