Answer:
base = 8 cm
Step-by-step explanation:
the area (A) of a triangle is calculated as
A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the height )
given A = 48 and h = 12 , then
48 = [tex]\frac{1}{2}[/tex] × b × 12 = 6b ( divide both sides by 6 )
8 = b
Then the measure of the base is 8 cm