Question

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Answer 1

16=1/2(8)(b)

32=(8)(b)

4=b 

it is 4 units

Answer 2

Area of a triangle = 1/2 × Base(x) × Height

16 = 1/2 × x × 8

16 = 4x

4x = 16

x = 4

So the length of the base is 4 square units

Hope this helps!