Question

Fie ΔABC = 12 cm² si [AM] mediana .
a ) Daca ARIA ΔABC = 12 cm² , calculati aria Δ ABM
b ) Daca Aria Δ ABCM =10 cm² ,calculati Aria Δ ABC
( sunt in clasa a 6-a )

Answer 1

[tex] A_{ABC} =12 \\ A_{ABM} = A_{AMC} = \frac{ A_{ABC} }{2} = \frac{12}{2} = 6 \\ b) A_{ABC} = 2 X A_{ACM} = 2 x 10 = 20[/tex]