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Svet_ta [14]
3 years ago
12

Helppppppppppppppppppppppppppp

Mathematics
1 answer:
NISA [10]3 years ago
4 0
Area of cylinder = 2 pi r h + 2 pi r^2
= 2 * 3.14 * 4 * 12 + 2 * 3.14 * 4^2
= 301.44 + 100.48
Area of cylinder = 401.92 cm^2
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Ana drew a map of the Panama Canal. In the scale Ana used for the map 4 centimeters represents 20 kilometers. The actual length
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the length in centimeters of the Panama Canal on Anas map is 16.4cm .

<u>Step-by-step explanation:</u>

Here we have , Ana drew a map of the Panama Canal. In the scale Ana used for the map 4 centimeters represents 20 kilometers. The actual length of the Panama Canal is 82 kilometers.  We need to find  What is the length in centimeters of the Panama Canal on Anas map . Let's find out:

In the scale Ana used for the map 4 centimeters represents 20 kilometers , that means for 4 cm we have 20 km , So for 1 km we have :

⇒ \frac{4}{20}cm

⇒ \frac{4(5)}{20(5)}cm

⇒ \frac{20}{100}cm

⇒ 0.2cm

Hence , for 82 km we have :

⇒ 0.2cm(82)

⇒ (82(0.2))cm

⇒ 16.4cm

Therefore , the length in centimeters of the Panama Canal on Anas map is 16.4cm .

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