Question

A log of wood of dimensions 2 m x 20 cm x 10 cm is cut into small blocks of 10 cm x 5 cm x 4 cm.
How many blocks do we get? What will be the total surface area of all these blocks?​

Answer 1

Answer:

220 CM.SQ

Step-by-step explanation:

covert wood dimension in metre so that=200×20×10

then no.of block =dimension of wood/dimension of blocks=200×20×10/10×5×4=200block

t.s.a of blocks =2(lb+BH+hl)

=2(10×5+5×4+4×10)=220cm.sq.

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