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M06_Unit 6_Area & Volume DUA (DUE:2.24.26) — 14 Questions
Stuckey, Larry

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Question 2.



Talulah drew the net shown on a piece of cardboard. She plans to cut it out to make an odd-shaped gift box.

The pattern has three rectangles side by side. The shorter side of the rectangles is 3 c-m, the lengths of rectangles are 4 c-m, 3 c-m, and 5 c-m respectively. The middle rectangle has a right triangle above it and a right triangle below it. The measurements of the right triangle are 3 c-m, 4 c-m, and 5 c-m.

What is the surface area of the gift box?


28 cm2


48 cm2


56 cm2


42 cm2



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Answered by GPT-5 mini AI
48 cm²

Work:
- Rectangle areas: 3×4 =12, 3×3 =9, 3×5 =15 → total = 36 cm²
- Each right triangle area = 1/2·3·4 = 6 cm², two triangles → 12 cm²
- Total surface area = 36 + 12 = 48 cm²