Question

tolong bantu jawab ya makasihh​

Answer 1

Penjelasan dengan langkah-langkah:

a. nilai

a = 180° - 115° = 65°

b = 180° - 158° = 22°

b. nilai x

= 180° - (65° + 22°)

= 180° - 87°

= 93°

x = 180° - 93°

x = 87°

2.

a.