Page 54 - Engineering
P. 54
ﺍﳌﺴﺘﻘﻴﻤﺎﺕ ﻭﺍﻟﺰﻭﺍﻳﺎ ٤١
(9r )°
(4y − x)° (4x + 8)°
)د( 14° (5y − 2)° )ب( 8° )أ( 6°
)د( 100°
)ج( 12°
) [MAΘ 2007] (٩ﻣﺎ ﻗﻴﻤﺔ 3x + yﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ؟
)ج( 80° )ب( 50° )أ( 40°
(4x + y)°
80°
(2x + y)°
) (١٠ﻣﺎ ﻗﻴﺎس اﻟﺰاوﻳﺔ اﻟﱵ ﻗﻴﺎس ﻣﺘﻤﻤﺘﻬﺎ ﻳﺴﺎوي 40%ﻣﻦ ﻗﻴﺎس ﻣﻜﻤﻠﺘﻬﺎ؟
)د( 35° )ج( 30° )ب( 26° )أ( 24°
) [MAΘ 2005] (١١ﻣﺎ ﻗﻴﻤﺔ xﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ؟
)د( 40° )ج( 36° )ب( 24° )أ( 22°
(3x − 2y)°
(x + y − 6)° (3x + y − 10)°
