Question

1 point
3. Ratio of two adjacent sides
of a parallelogram is 2:5 & its
perimeter is 126. What is the
length of its any two adjacent
sides?
*
O 24:32
O) O
12:15
0 18:45​

Answer 1

Answer:

Let the two adjacent sides of the parallelogram be 3x and 4x Then

2(3x+4x)=105

⇒14x=105.

⇒x=7.5

∴ The two sides are 3×7.5 cm and 4×7.5 cm

i.e, 22.5 cm and 30 cm

Area of the parallelogram = base x altitude

= 30 cm × 15cm = 450cm

2