Exam is there in 5th March .So,how the answer 150 cm came in this question
Attachments:

Answers
Answered by
1
Answer: the answer is 150 cm
Step-by-step explanation:
As 2.5m = 250cm so
Perimeter is 250+250+X+X = 800
2X = 800-500= 300
2X = 300
X = 150
Similar questions