Answer:
base = 10 cm
Explanation:
the area (A) of a parallelogram is calculated as
A = bh ( b is the base and h the height )
given A = 150 and h = 15 , then substituting into the formula gives
150 = b × 15 = 15b ( divide both sides by 15 )
=
b , that is
10 = b
the base is 10 cm