ttouseef990 ttouseef990

09-02-2021
Mathematics

contestada

Find the curved surface area of the spheres whose radius r = 3.5cm

Respuesta :

unicorn3125 unicorn3125

09-02-2021

Answer:

154 cm²

Step-by-step explanation:

[tex]A=4\pi r^2\\\\r=3.5\,cm\\\\ A=4\pi(3.5)^2=49\pi=153.93804...\approx154\ cm^2[/tex]

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