1)55°;125°
x+x+70=180
2x=180-70
2x=110/2
x=55°
55+70=125°
2)72°;108°
3x+2x=180
5x=180/5
x=36
2×36=72°
3×36=108°
Объяснение:
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Answers & Comments
1)55°;125°
x+x+70=180
2x=180-70
2x=110/2
x=55°
55+70=125°
2)72°;108°
3x+2x=180
5x=180/5
x=36
2×36=72°
3×36=108°
Объяснение: