Question

tolong y kack :v

pake jalanya y kack

jawab yg bener y kack :v​

Answer 1

Jawaban:

3. 5x +(4x+9) = 180

9x = 180-9

9x = 171

x = 171/9=19

sudut SQR = 4x+9=4(19)+9

=85°

sudut pelurus SQR = 180-85 = 95° (C)

4. sudut ABC=180-112=68

Sudut BCA = 180-42-68=70° (A)

Semoga membantu, jadikan jawaban tercerdas yaa terimakasih