briannabo08
09.01.2022 •
Mathematics
3 cm
3 cm
3 cm
2 cm
3 cm
6 cm
Find the surface area of the above solid.
A. 81 cm2
B. 78 cm2
C. 84 cm2
D. 72 cm2
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Ответ:
D.72cm²
Step-by-step explanation:
sa=5(s²)+(s×w)+(L×s)+(s×p)
sa=5(3²)+(3×6)+(2×3)+(3×1)
sa=45cm²+8cm²+6cm²+3cm²
sa=72cm²
Ответ:
76π sq. in is the answer to this question