3 years ago

Please answer it now

Mathematics

1 answer:

GaryK [48]3 years ago

8 0

Answer:

1306.90≅ 1307 rounded to the nearest tens

Step-by-step explanation:

r= radius = 13 cm

l is the slant height =19 cm

surface area of the cone= area of the circle + area of the curved of the cone

SA=πrl +πr²

SA=π(13)(19) +169π

SA= 247π +169π= 416π=1306.90≅ 1307 rounded to the nearest tens

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