Question

dau stelute si puncte​

Answer 1

Răspuns:

1. <1= 39⁰ (<corespondente)

<2+39= 180 (int. de ac. p. a sec.)

<2= 180-39= 141⁰

2. x+46+x= 180

2x= 180-46= 134

x= 134÷2= 67