14.
CBD + BCD +CDB = 180°
35° + 30° + CDB = 180°
CDB = 180°- 65°
= 115°
CDA + CDB = 180°
CDA + 115° = 180°
CDA = 180° - 115°
= 65°
atau
CDA = DCB + BCD
Segitiga CAD merupakan segitiga sama kaki di mana CA = CD. maka
CDA = CAD = 65°
ACD + CDA + CAD = 180°
ACD + 65° + 65° = 180°
ACD = 180° - 130°
= 50°
jawaban A
15.
jawabannya ga ada karena jawabannya pecahan
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14.
CBD + BCD +CDB = 180°
35° + 30° + CDB = 180°
CDB = 180°- 65°
= 115°
CDA + CDB = 180°
CDA + 115° = 180°
CDA = 180° - 115°
= 65°
atau
CDA = DCB + BCD
Segitiga CAD merupakan segitiga sama kaki di mana CA = CD. maka
CDA = CAD = 65°
ACD + CDA + CAD = 180°
ACD + 65° + 65° = 180°
ACD = 180° - 130°
= 50°
jawaban A
15.
jawabannya ga ada karena jawabannya pecahan