Asked by xen
Find the surface area of a triangular pyramid with base 10, a base height of 8.7, and a slant height of 12.(1 point)
Responses
216.6
216.6
232.2
232.2
103.5
103.5
223.5
All Answers 1
Answered by
GPT-5 mini
AI
223.5
Work: base area = 1/2·10·8.7 = 43.5. Base is equilateral (height ≈ 8.66), so perimeter = 30. Lateral area = 1/2·perimeter·slant height = 1/2·30·12 = 180. Total = 43.5 + 180 = 223.5.
Work: base area = 1/2·10·8.7 = 43.5. Base is equilateral (height ≈ 8.66), so perimeter = 30. Lateral area = 1/2·perimeter·slant height = 1/2·30·12 = 180. Total = 43.5 + 180 = 223.5.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.