Approximately 0.67 of a cup of sugar is needed. Let me know if this isn't right.
<span>The total surface area is SA = 6 </span>×
;
SA = 6 ×
= 6 × 81 = 486
;
A cone and a pyramid don't have parallel base, they have a base with a vertice.
A prism and a cylinder have parallel bases. But the bases of a prism are not disc-shape. The bases of a cylinder are.
The answer is a. cylinder
Use similarity property:
14 / (14+6) = 21 / (21 + (x+4))
14/20 = 21/(x+25) cross multiplication property
14*(x+25) = 20*21
14x + 350 = 420
14x = 70
x = 70/14 = 5.
See description in the pic.
