Respuesta :

lcmyrick01

Answer: 5 cm

Step-by-step explanation:

since the last step in finding area of a triangle is divide by 2, multiply the area by 2 to get the original number

30 x 2 = 60

area/base = height

60/12 = 5

AlishaKhokhar

Answer:

5

Step-by-step explanation:

Basically we need 60 because the area is 30, the formula to find area of a triangle is base times height times 1/2, so then 30 (area) times 2 is 60, then, 60 divided by 12 is 5. so your answer is 5!!

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