Question

Facao o calculo pvf r pra 12:30 da tarde ajudem

Answer 1

4x ____ 8 4x_____8 x+3x=4x
x______a 3x_____b

4xa = 8x 4xb=24x
a=8x÷4x b=24x÷4x
a=2 b=6

Answer 2

3x ----- b
3x + x ------ 8

3x ----- b
4x ------8

3x × 8= 4x × b
24x= 4x × b
24x/4x= b
6= b

b vale 6 cm, logo a vale 2 cm


3x/6= x/2
6x= 6x
x= 1 cm

se x= 1, logo 3x= 3