Answer:
h = 5 units
Step-by-step explanation:
Step 1: Plug in known variables into formula
A = 1/2bh
30 = 1/2(12)h
Step 2: Multiply both sides by 2 (To get rid of fraction)
60 = 12h
Step 3: Divide both sides by 12
h = 5
Answer: 5 units
Step-by-step explanation:
30 devided by 12 then multiply that by 2