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A rectangle has length (2x +1)cm and width (x-2) cm
a.Find the length of its perimeter in terms of x
b.If the length of its perimeter is 60cm,find x
c.By using the result in b,find its length and width
A rectangle has length (2x +1)cm and width (x-2) cm
a.Find the length of its perimeter in terms of x
b.If the length of its perimeter is 60cm,find x
c.By using the result in b,find its length and width
2 ( 2x+1+x-2)
= 2 (3x-1)
= 6x - 2 cm2
b. 60/2 = 30
2x+1+x-2 = 30
3x -1 = 30
3x = 31
X = 10.33 cm
c. length : 2x+1
= 2.10,33 + 1
= 21,66 cm
Width : x-2
= 10,33 - 2
= 8,33 cm
Sorry for the mistakes :)