dsprg2h6m6 dsprg2h6m6

22-05-2021
Mathematics

contestada

Item 1
Find the surface area of the cone. Round your answer to the nearest tenth.

The surface area is
30
m².

Item 1 Find the surface area of the cone Round your answer to the nearest tenth The surface area is 30 m class=

Respuesta :

sqdancefan sqdancefan

28-05-2021

9514 1404 393

Answer:

113.1 m²

Step-by-step explanation:

The surface area of the cone is ...

SA = πr(r +s) . . . . . . where r is the radius and s is the slant height

SA = π(4 m)(4 m + 5 m) = 36π m² ≈ 113.1 m²

The surface area is about 113.1 m².

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