Mathematics
Junior High
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顏題 若△ABC的三邊長各為a、b、c,其各邊上的高分別為ha、ho、hc,且
2
1 1
-1:1
5 4
,
:
: 1,hb:he:
ha: h₁ =1
3
(1)a:b:c=?
則:
(2)若△ABC的周長為24cm,求△ABC的面積為何?
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