a picture is painted on a white board 20cm long and 15cm wide such that there is a margin of 2cm along each of its sides. Find the total area of the margin
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Answered by
10
Step-by-step explanation:
L =20cm
B=15cm
width=2cm
length of picture painted=20+2+2=24
breadth of picture painted =15+2+2=19
area of white board=l×b= 20×15=300cm sq
area of painted=24×19=456
total area =300+456=756cm
Answered by
1
Answer:
124 cm .......................
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