Question

Ajutorrr!!!!!!!!!!!!

Answer 1

b) <)A =180 -(45+45 ) =180-90=90 grade +> ABC = triunghi drept. isoscel

c) AD _l_ BC =>AD = inaltime , mediana, mediatoare, bisectoare

<) CAD = 90-45 =45 gr. ( triungh. ADC = drept. isoscel)

d) BC =2BD =2*6 =12 cm

AD =BC/ =12/2 =6 cm ( triungh. ABC = drept. isoscel)

A =baza* inalt./2 =12*6/2 =36 cm^2

Answer 2

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