Question

The perimeter of rectangle ABCD is 72. The ratio of the lengths of the sides
is 1:2. What are the lengths of the sides?
a. 12 and 18
b. 12 and 24
c. 4.5 and 9
d. 6 and 12

Answer 1

Answer:

Step-by-step explanation:

Answer 2

The two lengths of the rectangle ABCD will be 12 and 24

What will be the length of the rectangle?

It is given that

The perimeter of the rectangle

P=72 units

The ratio of the length

$\dfrac{a}{b}=\dfrac{1}{2}$

Now from the formula of the perimeter of the rectangle

$P= 2(a+b)$

$\dfrac{a}{b}=\dfrac{1}{2}$

$b=2a$

$2(a+2a)=72$

$6a=72$

$a=12$

$b=2\times 12=24$

Thus the two lengths of the rectangle ABCD will be 12 and 24

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