windmadness5331
16.07.2019 •
Mathematics
Percy lost 6 teeth in two weeks. he recieved $1.45 for each tooth. how much money did he get?
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Ответ:
Ответ:
Ответ:
x = 30° ⇒ (C)
Step-by-step explanation:
If a ray intersects a line at the ray starting point, then
A pair of linear adjacent angles are formed The sum of the measures of this pair of angles is 180°∵ The FA intersects the line BE at point A
→ That means a pair of linear adjacent angles are formed, ∠BAF and ∠FAE
∴ m∠BAF and ∠FAE are linear adjacent angles
∴ m∠AFB + m∠FAE = 180°
∵ m∠BAF = 2x° ⇒ given
∵ m∠FAE = 4x° ⇒ given
→ Substitute these values in the equation above
∴ 2x + 4x = 180
→ Add the like terms in the left side
∴ 6x = 180
→ Divide both sides by 6 to find the value of x
∴
∴ x = 30°