Page 57 - Engineering
P. 57
ﺍﳍﻨﺪﺳﺔ )ﺍﳉﺰء ﺍﻷﻭﻝ( ٤٤
(x + 9)°
(x + 6)°
(x + 15)°
) [AUST.MC 2000] (١٩ﻗﻴﻤﺔ y − xﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ ﺗﺴﺎوي
)د( 70° )ج( 60° )ب( 40° )أ( 30°
y°
50° 60° x°
) (٢٠ﻣﺎ ﻗﻴﺎس اﻟﺰاوﻳﺔ xɵﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ ؟
)د( 125° 85° 40° )أ( 85°
)د( 144° x°
)ب( 95°
)ج( 110°
) (٢١ﻣﺎ ﻗﻴﺎس اﻟﺰاوﻳﺔ xɵﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ ؟
x°
2x ° 36°
)ج( 120° )ب( 80° )أ( 72°
