490,351 views
40 votes
40 votes
Identify the lateral area and surface area of a right cone with radius 7 cm and slant height 15 cm. Answer ASAP!

User Twonegatives
by
2.6k points

2 Answers

14 votes
14 votes

Answer: 498.96 cm³

Lateral area:

  • A(l) = πrl = 3.14*7*15 = 329.7 cm³

Surface area:

A = πr(r + l) = 3.24*7(7 + 15) = 498.96 cm³

User Mossmyr
by
3.0k points
21 votes
21 votes

Answer:

Lateral area:

  • A(l) = πrl = 3.14*7*15 = 329.7 cm³

Surface area:

  • A = πr(r + l) = 3.24*7(7 + 15) = 498.96 cm³
User Ralf
by
3.2k points