Question

A rectunglar field is 91 m long and 24 m wide how many right triangular flower beds whose sides containing the right angle measure 12 m and 13m can be laid in this field

Answer 1

28 right triangular flower beds whose sides containing the right angle measure 12 m and 13m can be laid in this field

We know, area of a rectangle = Length × Breadth

So area of rectangle with 91m length and 24m breadth is (91×24)m² = 2184m².

Area of a right angled triangle = (1/2)×base×height

where base = 12m, height = 13m.

So, area of triangular beds = [(1/2)×12×13]m² = 78m².

So, the number of triangular beds laid on field = (Total area of field/Area of 1 triangular bed)

= (2184/78)

=28

Answer 2

Answer:

28 flower beds

Step-by-step explanation:

Area of the rectangular field = length × breadth

= (91×24) sq. m

= 2184 sq. m

Area of the triangular flower beds = ½×base×height

= ½×12×13 sq. m

= 78 sq. m

No. of triangular flower beds can be laid in the field = Area of the rectangular field / Area of the triangular flower beds

= 2184 sq. m / 78 sq. m

= 28

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