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Nookie1986 [14]
3 years ago
13

Ari is painting blocks of wood for a project each block is 8 cm long 4cm wide and 5cm high what is the surface are of each block

?
Mathematics
2 answers:
Elanso [62]3 years ago
3 0
(8+4)*2*4+2(8*4)
=96          +64
=          160
Marizza181 [45]3 years ago
3 0

Ari is painting blocks of wood for a project each block is 8 cm long 4cm wide and 5cm

so,

length=l=8cm

width=w=4cm

height=h=5cm

Since, it is rectangular box

so, we can use surface area formula

SA=2(l*w+w*h+l*h)

now, we can plug values

SA=2(8*4+4*5+8*5)

SA=184cm^2

So, surface area of each block is 184cm^2.................Answer


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