The perimeter of a quadrilateral is (5x2 + 3xy - 2y) and three sides of it are (2x2 – 3xy + y),(-5x2 + 2xy - 6y) and (3x2 + 2y – 7xy). Find the fourth side of a quadrilateral.
Answers
Answered by
2
Answer:
Required perimeter = Sum of three sides
= x2 – 3xy + 8 + 4x2 + 5xy – 3 + 6 – 3x2 + 4xy
= x2 + 4x2 – 3x2 – 3xy + 5xy + 4xy + 8 – 3 + 6
= 2x2 + 6xy + 11
please make brain list answer please make
Similar questions