Question

The perimeter of a triangle is 51 cm. The lengths of its sides are x cm, x + 2 cm,

and x + 4 cm. What is the length, in cm, of the longest side of the triangle?

Answer 1

Step-by-step explanation:

16, 17 and 18

Step-by-step explanation:

a

+

b

+

c

=

51

a

+

a

+

1

+

a

+

2

=

51

3

a

=

48

a

=

16

b

=

17

c

=

18

Step-by-step explanation:

a

+

bAnswer:

+

c

=

51

a

+

a

+

1

+

a

+

2

=

51

3

a

=

48

a

=

16

b

=

17

c

=

18