Bantu bro tp janlup pakai caranya ya ツ
Jawaban:
3.<c = 72°
4. a. <b =55°
<c = 360°-(<a+<b+<d)
<c=360°-(90°+55°+90°)
<c=360°-235°
<c=65°
b. bc² = ad²+be²
bc² = 12² + 5²
bc² = 144+25
bc²=169
c=13
c. <abc=<adc
2<abc= 360°-(<bad+<bcd)
2<abc= 360°-(58°+92°)
2<abc= 360°-150°
2<abc = 210°
<abc = 105°
[answer.2.content]
