Răspunsuri

2014-06-05T00:07:47+03:00
Notezi ipotenuza cu x si aplici teorema catetei.
2014-06-05T00:12:32+03:00
ΔABC, mas<A=90
AD_|_BC

AB²=BD*BC

(12√2)²=12*BC
288=12*BC
BC=288/12
BC=24
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