Page 53 - Engineering
P. 53
ﺍﳍﻨﺪﺳﺔ )ﺍﳉﺰء ﺍﻷﻭﻝ( ٤٠
)د( 111° )ج( 101° )ب( 89° )أ( 69°
)د( 128°
) [AUST.MC 1989] (٥ﻣﺎ ﻗﻴﺎس اﻟﺰاوﻳﺔ xɵﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ؟
)ج( 118° )ب( 108° )أ( 72°
72°
x°
) [AUST.MC 1987] (٦ﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ PQﻣﺴﺘﻘﻴﻢ .ﻣﺎ ﻗﻴﻤﺔ x؟
)د( 27° )ج( 16° )ب( 11° )أ( 9°
P 108° 5x ° Q
3x °
) [AUST.MC 1985] (٧ﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ ،ﻗﻴﺎس اﻟﺰاوﻳﺔ ɵxﻳﺴﺎوي
)د( 112° )ج( 96° )ب( 92° )أ( 90°
44°
x°
132°
) [MAΘ 2010] (٨ﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ ،اﳌﺴﺘﻘﻴﻤﺎن ﻣﺘﻘﺎﻃﻌﺎن .ﻣﺎ ﻗﻴﻤﺔ r؟
