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A rectangular porch is of dimension 18 m 72 cm ×13 m 20 cm . square tiles are used to cover it . find the minimum number of such tiles. the correct answer is 4290 . can you explain this answer?

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Length= 1872cmbreadth= 1320cmarea= 1872cm×1320cmside of square tile say 'a' cmarea of square tile= a×a sq.cmno of tiles be 'n'so n× a×a= 1872×1320now factors of 1320= 2×2×3×11×101872= 2×2×3×2×2×3×13=>n×a^2=(2^6×3^2)×3×11×13×10on comparing we can say dat n=3×11×13×10=4290..

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A rectangular porch is of dimension 18 m 72 cm ×13 m 20 cm . square tiles are used to cover it . find the minimum number of such tiles. the correct answer is 4290 . can you explain this answer? for Class 10 2023 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about A rectangular porch is of dimension 18 m 72 cm ×13 m 20 cm . square tiles are used to cover it . find the minimum number of such tiles. the correct answer is 4290 . can you explain this answer? covers all topics & solutions for Class 10 2023 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A rectangular porch is of dimension 18 m 72 cm ×13 m 20 cm . square tiles are used to cover it . find the minimum number of such tiles. the correct answer is 4290 . can you explain this answer?.
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Length= 1872cmbreadth= 1320cmarea= 1872cm×1320cmside of square tile say 'a' cmarea of square tile= a×a sq.cmno of tiles be 'n'so n× a×a= 1872×1320now factors of 1320= 2×2×3×11×101872= 2×2×3×2×2×3×13=>n×a^2=(2^6×3^2)×3×11×13×10on comparing we can say dat n=3×11×13×10=4290..