A rectangular field is 45 m long and 30 m wide. A fence

Q: Answer-A rectangular field is 45 m long and 30 m wide. A fence is to be put all around it. Find the area of...

ATQ, Area length breadth 45 30 1,350 m Length of fence perimeter Perimeter 2length breadth 245 30 2 75 150 m Answer Area 1,350 m, Fence length 150 m.

is to be put all around it. Find the area of the field and the length of the fence needed.

A Area = 1,250 m² and Fence length = 100 m Correct Answer Incorrect Answer

B Area = 1,300 m² and Fence length = 110 m Correct Answer Incorrect Answer

C Area = 2,350 m² and Fence length = 250 m Correct Answer Incorrect Answer

D Area = 1,350 m² and Fence length = 150 m Correct Answer Incorrect Answer

Solution

ATQ, Area = length × breadth = 45 × 30 = 1,350 m² Length of fence = perimeter Perimeter = 2(length + breadth) = 2(45 + 30) = 2 × 75 = 150 m Answer: Area = 1,350 m², Fence length = 150 m.

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