Nomor 28
∠M = (180° – ∠K) ÷ 2
ㅤㅤ= (180° – 40°) ÷ 2
ㅤㅤ= 140° ÷ 2
ㅤㅤ= 70°
Nomor 29
∠ABP = 180° – (180° – (65° + 55°))
ㅤㅤㅤ= 180° – (180° – 120°)
ㅤㅤㅤ= 180° – 60°
ㅤㅤㅤ= 120°
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Nomor 28
∠M = (180° – ∠K) ÷ 2
ㅤㅤ= (180° – 40°) ÷ 2
ㅤㅤ= 140° ÷ 2
ㅤㅤ= 70°
Nomor 29
∠ABP = 180° – (180° – (65° + 55°))
ㅤㅤㅤ= 180° – (180° – 120°)
ㅤㅤㅤ= 180° – 60°
ㅤㅤㅤ= 120°