A picture frame has outer dimensions = 28cm×32cm and inner dimensions 20cm×24cm. Find the area of each section of the frame, if the width of each section is same.
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Answer:
Given,
Outer length of the frame =32cm and outer breadths =28c
Inner length =2cm and outer breadth =20cm
So, width of the frame =
2
(32−24)
=4cm
Now, area of each portion of length side
=
2
1
×(24+32)×4
=
2
1
×56×4=112cm
2
And,
Area of each portion of breadth side
=
2
1
×(20+28)×4
=
2
1
×48×4=96cm
2
Therefore,
Area each section are 112cm
2
,96cm
2
,112cm
2
,96cm
2
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