calcular a área total, o volume e a diagonal.
A) 12 cm
4 cm
10 cm
B) 12 cm
5 cm
5 cm
C) 3 m
4 m
5 m
D) 6 m
4 m
5 m
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Calcular a área total, o volume e a diagonal.
PARALELEPÍPEDO
FÓRMULA para:
AT = Area Total
AT = 2(ab + ac + bc)
FÓRMULA do volume
V = a.b.c
FÓRMULA para Diagonal
D = √a² + b² + c²
A)
a = 12 cm
b =4 cm
c =10 cm
AT = 2(12.4 + 12.10 + 4.10)
AT = 2(48 + 120 + 40) cm.cm
AT = 2(208)cm²
AT = 416 cm² ( area total)
V = (12.4.10)cmcmcm fatora 260| 2
V =480cm³ 130| 2
65| 5
D = √12² + 4² + 10² 13| 13
D =√144 + 16 + 100 cmcm 1/
= 2.2.5.13
D = √260 cm² = 2².65
D = √2².65cm² ( elimina a √(raiz quadrada) com o (²)
D = 2√65cm
B)
a= 12 cm
b =5 cm
c = 5 cm
AT = 2(12.5 + 12.5 + 5.5)
AT =2(60 + 60 + 25) cmcm
AT = 2(145)cm²
AT = 290 cm²
V = a.b.c
V = 12.5.5 cmcmcm
V = 300 cm³
D = √12² + 5² + 5² cmcm
D = √144 + 25 + 25
D = √194 cm
.
C)
a= 3 m
b =4 m
c = 5 m
AT = 2(3.4 + 3.5 + 4.5)
AT = 2(23 + 15 + 20) cmcm
AT = 2(58)cm²
AT = 116 cm²
V= a.b.c
V = 3.4.5cmcmcm
V = 60cm³
D = √3² + 4² + 5² 50| 2
D =√ 9 + 16 + 25 25| 5
D = √50 5| 5
1/
= 2.5.5
= 2.5²
D = √2.5² ( elimina a √(raiz quadrada) com o (²))
D = 5√2cm
D)
a = 6 m
b = 4 m
c = 5 m
AT = 2(6.4 + 6.5 + 4.5) mm
AT = 2(24 + 30 + 20)
AT = 2(74)m²
AT = 148 m²
V = a.b.c
V = 6.4.5 mmm
V = 120 m³
D = √6² + 4² + 5²
D = √36 + 16 + 25
D = √77 cm
PARALELEPÍPEDO
FÓRMULA para:
AT = Area Total
AT = 2(ab + ac + bc)
FÓRMULA do volume
V = a.b.c
FÓRMULA para Diagonal
D = √a² + b² + c²
A)
a = 12 cm
b =4 cm
c =10 cm
AT = 2(12.4 + 12.10 + 4.10)
AT = 2(48 + 120 + 40) cm.cm
AT = 2(208)cm²
AT = 416 cm² ( area total)
V = (12.4.10)cmcmcm fatora 260| 2
V =480cm³ 130| 2
65| 5
D = √12² + 4² + 10² 13| 13
D =√144 + 16 + 100 cmcm 1/
= 2.2.5.13
D = √260 cm² = 2².65
D = √2².65cm² ( elimina a √(raiz quadrada) com o (²)
D = 2√65cm
B)
a= 12 cm
b =5 cm
c = 5 cm
AT = 2(12.5 + 12.5 + 5.5)
AT =2(60 + 60 + 25) cmcm
AT = 2(145)cm²
AT = 290 cm²
V = a.b.c
V = 12.5.5 cmcmcm
V = 300 cm³
D = √12² + 5² + 5² cmcm
D = √144 + 25 + 25
D = √194 cm
.
C)
a= 3 m
b =4 m
c = 5 m
AT = 2(3.4 + 3.5 + 4.5)
AT = 2(23 + 15 + 20) cmcm
AT = 2(58)cm²
AT = 116 cm²
V= a.b.c
V = 3.4.5cmcmcm
V = 60cm³
D = √3² + 4² + 5² 50| 2
D =√ 9 + 16 + 25 25| 5
D = √50 5| 5
1/
= 2.5.5
= 2.5²
D = √2.5² ( elimina a √(raiz quadrada) com o (²))
D = 5√2cm
D)
a = 6 m
b = 4 m
c = 5 m
AT = 2(6.4 + 6.5 + 4.5) mm
AT = 2(24 + 30 + 20)
AT = 2(74)m²
AT = 148 m²
V = a.b.c
V = 6.4.5 mmm
V = 120 m³
D = √6² + 4² + 5²
D = √36 + 16 + 25
D = √77 cm
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