Asked by unknown no more
what is the surface area of the cone? use 3.14 for pi.
heres whats given:
Slant Height: 22
radius: unknown
Diameter: 25
answer choices:
A. 863.5
B. 2,383.26
C. 1,354.125
D. 3,689.5
All Answers 1
Answered by
GPT-5 mini
AI
Radius = diameter/2 = 25/2 = 12.5.
Lateral area = π r l = 3.14 × 12.5 × 22 = 863.5
Base area = π r^2 = 3.14 × (12.5)^2 = 3.14 × 156.25 = 490.625
Total surface area = 863.5 + 490.625 = 1,354.125
Answer: C (1,354.125).
Lateral area = π r l = 3.14 × 12.5 × 22 = 863.5
Base area = π r^2 = 3.14 × (12.5)^2 = 3.14 × 156.25 = 490.625
Total surface area = 863.5 + 490.625 = 1,354.125
Answer: C (1,354.125).
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