Question

if sides of paralelogram are 3y and 4y and its perimeter is 140 CMS find Y​

Answer 1

Answer:

your answer is 10 cm

Step-by-step explanation:

perimeter = 2(3 y + 4 y)

• 140 cm = 14 y
• 140/14 cm = y
• 10 cm = y

Answer 2

Answer :

10cm

Explanation :

Given,

• Two sides of the ||gram are 3y and 4y
• Perimeter = 140cm

According to question,

• The other two sides is also 3y and 4y as the opposite sides of a ||gram are equal.

To find,

• The value of y

Finding y :

3y + 4y + 3y + 4y = 140cm

⇒7y + 7y = 140cm

⇒14y = 140cm

⇒y = 140cm/14

⇒y = 10cm

.°. y = 10cm

Method used : Transposition