Question

in a square ABCD diagonals of AC equal to 5X + 2 and BD equal to 7x-8 cm AC is equal to ​

Answer 1

In a square diagonals are equal

so, BD=AC

5x+2 = 7x-8

5x-7x = -8-2

-2x = -10

x = -10/-2

x = 5

AC = 5x+2

= 5(5)+2

= 25+2

= 27cm

AC = 27cm