Respuesta :

Answer:

[tex]area = base \times height \\ 8.7 = 3 \times h \\ h = \frac{8.7}{3} \\ \\ { \boxed{ \boxed{height = 2.9 \: cm}}}[/tex]

Area=base*height

8.7=3*h

8.7:3=h

2.9=h

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