3 years ago

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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