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stealth61 [152]
3 years ago
14

Help show work pleaeee

Mathematics
2 answers:
Inga [223]3 years ago
7 0

SA = 2\pi rh+2\pir^2

1. Find the radius.

R = 1/2D

6 x 1/2 = 3

R = 3

2. Plug them in.

SA 2(3.14)(3)(7) + 2(3.14)(3^2)

3. Solve

3 x 7 = 21

21 x 3.14 = 65.94

65.94 x 2 = 131. 88

3^2 = 9

9 x 3.14 = 28.26

28.26 x 2 = 56.52

4. Add them together.

131.88 + 56.52 = 188.4

Answer: 188.4 square millimeters

stepan [7]3 years ago
5 0

Answer:

169.52

Step-by-step explanation:

A

 

=

 

2

π

r

h

 

+

 

2

π

r

2

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