Find the length of diagonal of square if perimeter is 60 cm. And How many goats will graze the field in 9 days, if 45 goats in 13 days.
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Answer:
Perimeter of square = 60 cm
Diagonal = length of rectangle
Breadth of rectangle = 10√2 cm
Concept used:
The perimeter of square = 4 × side
Diagonal of square = √2 × side
Calculation:
⇒ 60 = 4 × side
⇒ side = 15 cm
⇒ Diagonal of square = 15√2 = Length of rectangle
Area of rectangle = Length × Breadth
Area of rectangle = 15√2 × 10√2 = 300 cm2
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