Respuesta :

Answer:

10cm

Step-by-step explanation:

Answer:

Lets try trial and error

So A= 1/2 x h x b

For 6: 1/2 x 4 x 6

= 12, so no

For 8: 1/2 x 6 x 8

= 24 so no

For 10: 1/2 x 8 x 10

= 40 SO YES!!!!

Ans) 10 cm