[tex]\huge\color{pink}\{\boxed{\tt{QUESTION:}}[/tex]
Karl has to arrange his
photos in a 7 dm by 7 dm square-shaped cardboard. How big was the area of the cardboard? How many 1 dm by 1 dm photos can he placed on it?
[tex]\color {purple}Plzz \: need \: kona \: po[/tex]
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Answer:
Area of cardboard is 49 dm². Karl can placed 49 1 by 1 photos in it.
Area of the cardboard = a²
= 7²
= 7 × 7
= 49 dm²
Area of the photo = a²
= 1²
= 1 × 1
= 1 dm²
How many to photos to fit in the cardboard?
49 ÷ 1 = 49