A rectangle has lenght to width ratio of 4:3 If its legth s 20 cm what is its width
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1
Answer:
The length and width of the rectangle are in a ratio 3:4, so the sides can be written as 3x and 4x.
So, Area = (3x).(4x)=300
12x
2
=300
x
2
=
12
300
x
2
=25
x=5
Then length =3x=3×5=15cm
width =4x=4×5=20cm
Diagonal length of a rectangle =
l
2
+w
2
=
15
2
+20
2
=
225+400
=
625
=25cm
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