Question

The lengths of the sides of a triangle are in the extended ration 3:6:8. The triangles perimeter is 510cm. What are the lengths of the sides?

Answer 1

since the sides are in ratio 3:6:8
we can safely assume the sides to be 3x, 6x and 8x
now do you know what perimeter is ?

Answer 2

the length?

Answer 3

perimeter means just sum of all sides,
so you just add the sides, and equate it to given perimeter of 510
3x+6x +8x =510
can you find 'x' from here ?

Answer 4

17x?

Answer 5

yeah, 17x = 510
so, x=...... ?

Answer 6

30?

Answer 7

yes! thats correct!
x= 30 :)
then the sides are just
3x = 3*30=... ?
6x = 6*30 =... ?
8x =8*30=.... ?

Answer 8

90, 180, 240?

Answer 9

those are correct side lengths :)
any doubts ?

Answer 10

No. Is that the final answers?

Answer 11

yes, thats it! final answer.