Respuesta :

Let's start with the formula for the area of a triangle

[tex] \frac{1}{2} bh[/tex]

And for the first one, insert the numbers

[tex] \frac{1}{2} 3 \times 6[/tex]

To make this easier, 3×6=18, 1/2 of 18 is 9, so the answer is 9 square feet. There's all you need to complete the rest, good luck .

RELAXING NOICE
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