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Lapatulllka [165]
3 years ago
7

What is the missing length?

Mathematics
1 answer:
Klio2033 [76]3 years ago
4 0

Answer:

h=7

Step-by-step explanation:

A=1/2bh

42=1/2(12)h

42=6h

42/6=7

h=7

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