Find the length of the rectangle whose perimeter is 420cm and breath is 85 cm
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Answered by
24
perimeter of rectangle =2(l+b)
420=2(l+85)
420- 170=2l
250=2 l
l =250÷2
l=125
length of rectangle is 125
Answered by
10
Perimeter of rectangle = 420
2×(l+b). =420
2× (l+ 85). = 420
(l. + 85). = 420/2=210
l. = 210-85
l= 125
length of rectangle is 125 cm
2×(l+b). =420
2× (l+ 85). = 420
(l. + 85). = 420/2=210
l. = 210-85
l= 125
length of rectangle is 125 cm
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