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Georgia [21]
3 years ago
5

Help please please please

Mathematics
1 answer:
ivanzaharov [21]3 years ago
5 0

Answer:

surface are of cylinder= 2 pi r²+2pi r h

s.a= 2 pi r (r+h)

s.a=2×3.14×5(5+30)

s.a= 1099 in²

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Solution:

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⇒ m∠B + 145° = 180°

Subtract 145° from both sides.

⇒ m∠B + 145° - 145° = 180° - 145°

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In the image, angle B and angle A equal to 90°.

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⇒ 35° + m∠A = 90°

Subtract 35° from both sides.

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3 years ago
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