Math, asked by kap1asarinektapurga, 1 year ago

the perimeter of rectangle is 189m and its breadth is 10.5 find it's length and area also

Answers

Answered by asish175
4
perimeter of rectangular grassy plot=2(length+breadth)
189=2(l+10.5)
189=2×l+21
189-21=2×l
168/2=l
84=length
Area=length×breadth=84×10.5=882 m²
Answered by qais
2
perimeter = 2( L+ B )
189 = 2( L + 10.5)
⇒2L= 189 - 21
       =168
L =84 m
now area = L× B
                = 84× 10.5
                =882 
Area = 882 m²
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