the perimeter of rectangle rectangular board is 70 cm taking its length as x cm find its beath in term of x if the area of the rectangular board is 300 cm square find its dimension
sssshruti125:
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Answered by
12
2 (l+b) 70
x+b 35
b 35-x
(x)(70-x) 300
x^2-70x+300 0
now split the middle term and find x
x+b 35
b 35-x
(x)(70-x) 300
x^2-70x+300 0
now split the middle term and find x
I am not understand
I have forgoy to put = sign before 70,35,35-x,300,0
Answered by
11
check the answer in picture
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check in pic
so the demensions are 20 and 15
yup
thanks.hope it helps who asked..
thankss
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