Question

In a square ABCD, AC = (7x - 2) cm and
BD = (11x – 10) cm. AC is equal to :
(a) 11 cm
(b) 9 cm
(c) 12 cm
(d) 8 cm
step by step by explanation​

Answer 1

Step-by-step explanation:

Answer in the attachment ☺️

Answer 2

Step-by-step explanation:

As ABCD is a square

This implies AC=BD ( coz diagnols of a square are always equal)

Therefore, 7x-2=11x-10

7x-11x=2-10

-4x=-8

x=2

By substituting the value of x , we will get :

AC = 7(2)-2=14-2=12

Hence , c is the correct option