length=10cm,width=8cm,perimeter=36cm area =?
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Given length = 10 cm
Breadth = : 8 cm
Perimeter =2(10+8)=36 cm.
Givenboth increased by x
Length will be. 10+x Breadth will be 8+x
Perimeter = 2(10+8+2x) =36+4x
Given perimeter is doubled
36+4x =2(36)
4x=36
x=9
Hence,
Length =10+9=19 cm
Breadth =8+9=17 cm.
Area = 19*17= 323 cm^2
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