Verified answer

Answer:

Area of triangle=1/2×b×h

128=1/2×b×12

128=b×6

b=128/6

b=21.33

Answer:

21.3cm

Explanation:

Area of triangle=1/2×l×b

1/2×12×b=128

=>6b=128

=>b=128/6

=>b=21.3cm

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