Question

ICSE MATHEMATICS
25. The sides of an equilateral triangle are
(6x + 3y)cm, (8x + 9y – 5) cm and (10x + 12y -
8) respectively. Find the length of each side.
[Hint. Take 6x + 3y = 8x + 9y – 5 and
8x + 9y - 5 = 10x + 12y - 8 as two equations.)​

Answer 1

Answer:

the side are equal

so, 6x +4y = 8x +9y_5 8x+9y-5=10x+12y-9

6x-8x =9y - 4x - 5 9y-12y=10x+8x-9+5

-2x = 5y-5 -3y = 18x-4