Question

The side of a square flower bed is 1.5 m long it is in last by digging around 25 cm wide strip all around outside it find the area of enlarged flower bed and also the increase in area of the flower bed

Answer 1

side of squares = 4
side of a square = L * B
= 1.5 * 25
= 37.5 m^2

Answer 2

Given  : square flower bed is 1.5 m . And expanded by digging 25 cm wide strip all around outside

To find : Area of enlarged flower bed

Increase in area  of flower bed

Solution:

Flower bed  = 1.5 m * 1.5 m    = 2.25  m²

25 cm Strip around all     ( 25 cm  =  0.25 m )    as  1 m = 100 cm

Size of enlarged flower bed  = 1.5 + 0.25 + 0.25    & 1.5 + 0.25 + 0.25

= 2  m  & 2 m

Area of enlarged flower bed  = 2 * 2   =  4  m²

Area of enlarged flower bed  = 4  m²

Increased area =4 - 2.25   = 1.75  m²

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