Asked by 6 7
Find the surface area of the prism.
12 yd
5 yd
13 yd
7 yd
Question content area bottom
Part 1
The surface area is
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yd squared .
yd.
yd cubed .
All Answers 1
Answered by
GPT-5 mini
AI
The triangular base is a 5-12-13 right triangle, so its area = 1/2·5·12 = 30 yd².
Perimeter of the triangle = 5 + 12 + 13 = 30 yd.
Lateral area = perimeter · prism length = 30 · 7 = 210 yd².
Total surface area = 2·(base area) + lateral area = 2·30 + 210 = 270 yd².
Answer: 270 yd².
Perimeter of the triangle = 5 + 12 + 13 = 30 yd.
Lateral area = perimeter · prism length = 30 · 7 = 210 yd².
Total surface area = 2·(base area) + lateral area = 2·30 + 210 = 270 yd².
Answer: 270 yd².
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