Page 166 - Engineering

‫‪١٥٣‬‬ ‫ﺍﳌﺜﻠﺜﺎﺕ‬ ‫‪A‬‬

‫‪B‬‬ ‫‪E‬‬

‫‪G‬‬ ‫‪D‬‬

‫‪120°‬‬

‫‪C 10‬‬

‫)‪ [Aust.MC 1992] (٥٣‬ﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ‪ ،‬ﻣﺴﺎﺣﺔ ‪ △PQS‬ﺗﺴﺎوي ﻣﺴﺎﺣﺔ‬

‫‪ QSR ،△PSR‬ﻣﺴﺘﻘﻴﻢ‪ .‬ﻣﺎ اﻟﻌﺒﺎرة اﻟﺼﺤﻴﺤﺔ ﻣﻦ ﺑﲔ اﻟﻌﺒﺎرات اﻟﺘﺎﻟﻴﺔ ؟‬

‫)ب( ‪QS = RS‬‬ ‫)أ( ‪PS ⊥ QR‬‬

‫)د( ‪QPR = 90°‬‬ ‫‪P‬‬ ‫)ج( ‪PQ = PR‬‬

‫‪QS‬‬ ‫‪R‬‬

‫)‪ [Aust.MC 1997] (٥٤‬ﰲ ‪ △PQR‬اﳌﺮﻓﻖ‪،QR = 3 ،PQ = 2 ،‬‬
‫‪ PI .RP = 4‬و ‪ QI‬ﻣﻨﺼﻔﺎن ﻟﻠﺰاوﻳﺘﲔ ‪ P‬و ‪ Q‬ﻋﻠﻰ اﻟﺘﻮاﱄ‪ .‬ﻣﺎ ﻗﻴﻤﺔ‬

‫]‪ [PIQ‬؟‬

‫]‪[PQR‬‬

‫)أ( ‪) 2‬ب( ‪) 2‬ج( ‪) 1‬د( ‪1‬‬

‫‪3 4 9 11‬‬

‫‪P‬‬

‫‪I‬‬ ‫‪R‬‬
‫‪Q‬‬