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nydimaria [60]
2 years ago
8

Surface Area Of Cylinders Please show work It would make my year if you helped

Mathematics
2 answers:
Nady [450]2 years ago
8 0

Answer: Answer:

1st cylinder: 3541.9 square mm

2nd cylinder: 439.6 square cm

jeka942 years ago
7 0

Answer:

1st cylinder: 3541.9 square mm

2nd cylinder: 439.6 square cm

Step-by-step explanation:

s = 2\pi r^{2} + 2\pi rh\\s = 2(3.14)(12)^{2} + 2(3.14)(12)(35)\\s = 6.28(144) + 6.28(420)\\s = 904.32 + 2637.6\\s = 3541.92\\s = 3541.9

Second cylinder.

s = 2\pi r^{2} + 2\pi rh\\s = 2(3.14)(7)^{2} + 2(3.14)(7)(3)\\s = 6.28(49) + 6.28(21)\\s = 307.72 + 131.88\\s = 439.6

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