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Sagot :
Answer:
h = 16°
Step-by-step explanation:
The total angle of a straight line = 180°.
So we can say that 151° + x = 180°
180° - 151° = x
x = 29°
total angles of a triangle = 180°
∴ 118 + 29 + 2h + 1 = 180
⇒ 148° + 2h = 180°
⇒ 2h = 180° - 148°
⇒2h = 32°
⇒h = 32° ÷ 2
⇒ h = 16°
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