(THIS IS WORTH A LOT OF POINTS & I’LL GIVE BRAINLIEST) (only do 1 and 2)

9514 1404 393
Answer:
Step-by-step explanation:
The area is the same, regardless of which side is considered the "base"
A = bh
__
1. A = 8×14 = 10h
h = 8×14/10
h = 11.2
__
2. A = 0.3×0.4 = 0.5h
h = 0.3×0.4/0.5
h = 0.24