10. Perhatikan gambar berikut!
PENYELESAIAN
360 = 190 + 2p
2p = 360 - 190
2p = 170
p = 170/2
p = 85° (D)
D. 85°
penjelasan dengan langkah-langkah:
[tex]\begin{gathered}\small\boxed { \begin {array} {c|c} \sf \red {mencari \:nilai \: p } \\ \\ \sf 58 + 132+2p=360° \\ \\ \sf \:190 + 2p = 360° \\ \\ \sf \: 2p = 360 - 190 \\ \\ \sf \: 2p = 170 \\ \\ \sf \: p = \frac{170}{2} \\ \\ \sf \: p = 85° \end{array}}\end{gathered}[/tex]
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