Penjelasan dengan langkah-langkah:
jika <a = 125°
maka <a=<c=<e=<g= 125°
<b=<d=<f=<h= 180°-125°= 55°
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Penjelasan dengan langkah-langkah:
jika <a = 125°
maka <a=<c=<e=<g= 125°
<b=<d=<f=<h= 180°-125°= 55°