Question

Find the area in square metre and Square centimetre of a 20 m long and 1800cm wide room

Answer 1

Step-by-step explanation:

Given:

Length of the Room = 20 m

Width of the Room = 1800 cm = 18 m  [∵ 1 cm = 1/100 m]

Required to Find:

Area of the Room in square metre and square centimetre

Solution:

∵ Area of the Room = (Length × Width) unit²

                                 = (20 × 18) m²

                                 = 360 m²

∴ Area of the Room  = 360 m²    (Area in m²)

∴ Area of the Room  = 360 × 10000 cm² = 3600000 cm²    (Area in m²)    

                                  [∵ 1 m² = 10000cm²]

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