Answer:
The height of the triangle is 5 unit.
Explanation:
Given : A triangle that has an area of 30 square units and a base measuring 12 units.
To find : The height of the triangle?
Solution :
The formula to find the area of the triangle is

We have given,
Area = 30 square units.
Base = 12 units
Substitute in the formula,




Therefore, The height of the triangle is 5 unit.