find TSA of cylinder with radius of base 5cm and height 9cm
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Answer: 440 cm²
Step-by-step explanation:
TSA of cylinder= CSA + AREA of 2 ends
= 2 pi r h + 2 pi r²
= 2 pi r ( r + h)
= 2× pi × 5 ( 5 +9)
= 10 pi (14)
=140 pi
=140 × 22/7
= 22 × 20
=440 cm²
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