Question

A cunoida solid wooden block contains 189cm³ wood.If it be 7cm long and 4.5cm high,find its breadth...​

Answer 1

Answer:

Volume of a cuboid = length × breadth × height

Given :: Volume = 189 cm³ , Length = 7 cm , Height = 4.5 cm

Asked::: Breadth =??

Vol. = lbh = 189 = 7× 4.5× b

189 = 7 × 9/2 × b

== 21 = 7 × 1/2 × b

== 3 = 1/2 × b

==b = 3× 2 = 6

=== b = 6cm

Answer 2

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Volume of cuboidal wooden block=189 cm^3

Length of cuboidal wooden block=7 cm

Breadth of cuboidal wooden block=?

Height of cuboidal wooden block=4.5 cm

Volume of cuboidal wooden

block=Length×Breadth×Height

189=7×Breadth×4.5

Breadth=$\frac{189}{7}$×4.5

Breadth=6 cm

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