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kykrilka [37]
3 years ago
10

A triangle has an area of 38.4 cm2. The

Mathematics
1 answer:
lisov135 [29]3 years ago
8 0

Answer:

6cm

Step-by-step explanation:

A = \frac{h_b b}{2}

38.4 = \frac{12.8_b b}{2}

b = 2\frac{A}{h_b}

b = 2\frac{38.4}{12.8} = 6

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