Area of square is numerically less than twice its diagonal by 2. Find its Perimeter.

asked Jul 17, 2018 71.5k views

1 vote

9.0k points

Please log in or register to add a comment.

2 votes

2D-a^2=2

2(a√2) -a^2=2

a^2-2√2*a+2=0

2a= 2√2 + √(8-4*2) = 2√2
hence, perimeter = 4a = 2*2a=2*2√2 = 4√2

8.5k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers