Question

The side of a triangular field are 41 m , 40 m & 900 cm . Each rose bed requires 180 cm square of space . How many rose beds requires be prepared in the field

Answer 1

sides of triangle are 4100cm, 4000cm ,900cm

area of field

$= \sqrt{ {4100}^{2} + {4000}^{2} + {900}^{2} } \\ = \sqrt{16810000 + 16000000 + 810000} \\ = \sqrt{33620000} \\ = 5798.27$

therefore no of beds =5798.27/180

=32

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