Solve .. ..............................
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Actual dimension of every room :
Scale is k : 1
Kitchen
Dimension = 2 cm × 3 cm
= 2 × k × 3 × k
= 2 × 200 × 3 × 200
= 400 × 600
= 240000 cm²
= 24 m².
Toilet
Dimension = 1 cm , 3 cm
= 200 × 600
= 120000 cm²
= 12 m²
Storeroom
Dimension = 2 cm ,3 cm
= 400 × 600
= 240000 cm²
= 24 m².
Passage
Dimension = 3 cm , 2 cm
= 600 × 400
= 240000 cm²
= 24 m².
Living room
Dimension = 3 cm , 4 cm
= 600 × 800
= 480000 cm²
= 48 m²
Bed room
Dimension = 2 cm , 3 cm
= 400 × 600
= 240000 cm²
= 24 m²
Dining room
Dimension = 2 cm , 3 cm
= 400 , 600
= 240000 cm²
= 24 m².
Actual area of living room
Area = 3 cm × k × 4 cm × k
= 12 × 200²
⇒ 12 × 40,000
⇒ 4,80,000 cm²
⇒ 48 m².
Actual area of room
Area of room = k² × area
= ( 9 × 5 ) × 200²
⇒ 45 × 40,000
⇒ 1800000 units²
⇒ 180 m².
Scale is k : 1
Kitchen
Dimension = 2 cm × 3 cm
= 2 × k × 3 × k
= 2 × 200 × 3 × 200
= 400 × 600
= 240000 cm²
= 24 m².
Toilet
Dimension = 1 cm , 3 cm
= 200 × 600
= 120000 cm²
= 12 m²
Storeroom
Dimension = 2 cm ,3 cm
= 400 × 600
= 240000 cm²
= 24 m².
Passage
Dimension = 3 cm , 2 cm
= 600 × 400
= 240000 cm²
= 24 m².
Living room
Dimension = 3 cm , 4 cm
= 600 × 800
= 480000 cm²
= 48 m²
Bed room
Dimension = 2 cm , 3 cm
= 400 × 600
= 240000 cm²
= 24 m²
Dining room
Dimension = 2 cm , 3 cm
= 400 , 600
= 240000 cm²
= 24 m².
Actual area of living room
Area = 3 cm × k × 4 cm × k
= 12 × 200²
⇒ 12 × 40,000
⇒ 4,80,000 cm²
⇒ 48 m².
Actual area of room
Area of room = k² × area
= ( 9 × 5 ) × 200²
⇒ 45 × 40,000
⇒ 1800000 units²
⇒ 180 m².
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