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Bruno, Margarina e R.Filipe 8B
Ana Freitas
Created on February 1, 2024
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Transcript
AT= A1x2 + A2X3 = 357.7 cm
A2= bxa A= 15x7 A= 105 cm
15
V= 4x 3,1416 x r^3 3 V= 4x 3,1416 x 4.25^3 3 V= 4 x 3,1416 x 76.8 3 V= 321,6990877= 322 cm^3 322cm^3= 0,322dm^3=l
r =4,25cm
0,320 25cm^3= 0,320 25 dm^3=l
Rodrigo filipe, Bruno e Margarida 8B
V=A𝑏×𝑎 V= 21,35x 15 V= 320,25cm^3
𝐴1=𝑏×𝑎 2 A= 7 x 6,1 2 A= 21,35 cm^2
a=?
a^2=7^2-3,5^2 a^2= 49- 12,25 a^2= 36.75 = √36.75 = 6,062177826 a = 6,1 cm
d= 8,50 cm
Áreas e volumes de dois sólidos