10. A painting 40 cm long and 28 cm wide is painted on a card board such that there is a margin of 2 cm along each of
its sides. Find the total area of the
Answers
Answered by
1
Answer:
864cm ^2
Step-by-step explanation:
given- length = 40 cm
breadth=28cm
width of margin =2 cm
therefore , length of internal rectangle =40-(2+2)= 40-4
= 36cm
breadth = 28-(2+2)= 28-4 = 24cm
therefore area =36×24 =864cm^2
Answered by
7
Answer:
Length of the painting is 40 cm
Breadth of the painting is 28cm
Area of the painting is 40×28=1120 cm²
Margin is drawn on every side of 2 cm
New length=40+2+2=44
New breadth =28+2+2=32
Area=44×32=1408cm²
Area of border=1408-1120=228cm²
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