Respuesta :
Answer:
5 units
Step-by-step explanation:
Area of triangle = 1/2 × base × height
30 = 1/2 × 12 × height
Height = 30 × 2/12 = 5 units
So the right answer is 5 units.
Look at the attached picture
Hope it will help you..
Good luck on your assignment
~pragya
