Answer:
Subtract 18 from both sides
Step-by-step explanation:
Answer:
Step-by-step explanation:
Radius r = 15
Circumference = 2πr = 30π cm
Circumference of cone = arc length of sector
= 30π × 216°/360°
= 18π cm
Radius of base of cone = 18π/(2π) = 9 cm
Slant height of cone = radius of circle = 15 cm
Height of cone = √(15² - 9²) = 12 cm
The least number of books that could be in the box is 30. The number of books in the box could be any number that is a multiple of 30.