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Savatey [412]
3 years ago
10

IS anyone good in surface areas cones??? I need expert for brainlest and points​

Mathematics
1 answer:
Viefleur [7K]3 years ago
8 0

Answer:

A=90.6cm^2

Step-by-step explanation:

Calculate the slant height using pythagorean theorem:

6^2+4^2=l^2\\36+16=l^2\\l^2=52\\l=\sqrt{52} \\l=7.2111

Use the slant height to calculate the lateral area:

A=\pi rl

A=(3.14)(4cm)(7.2111cm)\\A=90.57.cm^2

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