Penjelasan dengan langkah-langkah:
s=90+3×+2×
180 =90+3×+2×
180-90=5x
90=5x
×=90/5
×=18
a=18
pqr=2×=2.18
=26°
qrp=3x=3.18
=42°
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Penjelasan dengan langkah-langkah:
s=90+3×+2×
180 =90+3×+2×
180-90=5x
90=5x
×=90/5
×=18
a=18
pqr=2×=2.18
=26°
qrp=3x=3.18
=42°