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Answer :

ChezCake14go

Answer:

18.9 km²

Step-by-step explanation:

Formula for area of a triangle: [tex]\frac{1}{2}bh[/tex]

0.5(7 × 5.4) = 18.9 km²

Sofiahemed22go

Answer:

A = 1/2 bh

1/2 x 7 x 5.4

= 18.9km2

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