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BaLLatris [955]
3 years ago
11

The area of a triangle is one-half times the base times the height. If the area of a

Mathematics
1 answer:
dsp733 years ago
5 0

Answer:

The base is 90 sq

Step-by-step explanation:

Formula for Area= 1/2*b*h

where b is unknown and area = 54sq

<h2>Placing in formula</h2>

1/2 *b*12 = 54sq

12b = 54*2

12b /12 = 54*2/12

b = 9sq

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