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

9514 1404 393

Step-by-step explanation:

The area is the same, regardless of which side is considered the "base"

  A = bh

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1. A = 8×14 = 10h

  h = 8×14/10

  h = 11.2

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2. A = 0.3×0.4 = 0.5h

  h = 0.3×0.4/0.5

  h = 0.24