Tent nilai x Tent nilai x

1.

180=85+x
x = 180-85
x = 95°

2.
180=65+x
x = 180-65
x = 115°

3.
180=95+x
180-95= x
x = 85°

4.
180 = 55+x
x = 180 -55
x = 125°



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