Question
The perimeters of the two squares differ by 60 cm. If
the side of one square is four times the side of the other square, then find the area of the larger square (in cm²).Solution
Let the side of the larger square =4A and the smaller square=A. So ATQ- 16A-4A=60 12A =60 … (1) A=5, So, the side of larger Square =4×5=20 Area =20×20=400cm2
If Ā `grad` Ā means +, # means -, @ means `-:` Ā and & meansĀ `xx` , then,
59 &Ā 2 `grad` Ā 30 @ 6 # 54 = ?
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