Multiply 10 cm by 0.4 and mult. 30 cm by 0.4 also:
The height of the smaller triangle is then 4 cm and the length of the base is 12 cm.
Answer:
Step-by-step explanation:

<span>que debería haber escrito sólo el problema para nosotros tal vez podríamos haber ayudado a continuación .</span>
Step-by-step explanation:
there is no diagram so I'm just going to guess this however
sin x = 6/9
sin x = 2/3
sin x = 0.67
x = sin inverse of 0.67
x = 42.1