a photo is mounted on a cardbord af dimensions 12cm*10cm.if the photo measures 8cm *6cm and is placed in the middle of the cardboard,what is the area of cardboard that is visible outside the photo ?
Answers
Answered by
30
area of cardboard visible = area of cardboard - area of photo
= 12*10 - 8*6 = 120 - 48 =72cm^2
= 12*10 - 8*6 = 120 - 48 =72cm^2
Answered by
43
Area of the photo= lb
=8×6
=48 cm²
Area of the cardboard=lb
=12×10
=120 cm²
Now visible part of the cardboard= Area of the cardboard - Area of the photo
=120 - 48
=72 cm²
=8×6
=48 cm²
Area of the cardboard=lb
=12×10
=120 cm²
Now visible part of the cardboard= Area of the cardboard - Area of the photo
=120 - 48
=72 cm²
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