Question

the sides of a triangle are in a ratio 3:4:5. what is the length of each side if the perimeter of the triangle is 30 cm

Answer 1

A.2.5 cm, 5.cm, 7.5 cm B. 2.5 cm, 7.5cm, 12.5 cm C. 7.5 cm, 10 cm, 12.5 cm D. 9 cm, 10 cm, 11cm

Answer 2

@jhonyy9 @TSwizzle @yabishshauna @jane11509 @Rockiee @triciaal @Walkerman15

Answer 3

o.o

Answer 4

@triciaal

Answer 5

plz help

Answer 6

yees ? .

Answer 7

3x = 3*(5/2) = 15/2
4x = 4*5/2 = 10
5x = 5*(5/2) = 25/2

Answer 8

is it b?

Answer 9

is it b

Answer 10

I am not sure ;-;

Answer 11

@triciaal ?

Answer 12

Simply add up 3+4+5 = 12

30 / 12 = 2.5

Each one ratio is worth 2.5.

So 3 x 2.5 = 7.5 cm

4 x 2.5 = 10 cm

5 x 2.5 = 12.5 cm

You can check this by : 7.5 + 10 + 12.5 = 30cm

Answer 13

It's B 2.5

Answer 14

thx so it is b

Answer 15

its c?

Answer 16

im confused

Answer 17

Nooo It's B like i said

Answer 18

@triciaal said its c

Answer 19

No she's right it is C i got confused