Asked by Precios hannah
A picture frame is 20 cm by 30 cm. This includes a border (the shaded region) 5 cm wide surrounding the picture itself. What is the area of this shaded border in sq cm?
Answers
Answered by
Steve
just subtract the picture area from the total:
(20)(30)-(20-10)(30-10)
(20)(30)-(20-10)(30-10)
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