Answer :

pavani2002

Answer:

look at the photo..................

${teks-lihat-gambar} pavani2002
eduartdjali

Answer:

1)42°

2)ABC=64°

Step-by-step explanation:

1)

48°+90°+A=180°

138°+A=180°

A=180°-138°

A=42°

2)

A=B

A+B+C=180°

2x+52°=180°

2x=128°

x=64°

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