Question

A painting with dimensions 140 cm by 80cm is to be framed with a 10 cm wide frame all around its edges.If the framed paintings is to be backed by hardboard,what is the area of hardboard to be used
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Answer 1

Answer:

solution :

l= 140 cm

b=80 cm

therefore Area =l×B

=140 ×80

=11200 Sq.cm

Hence ,11200 Sq. . cm is the area of painting

now, area of painting and frame = 112000

so area of frame = 112000-11200