14-51
.ﺔﻴﻤﺴﺘﻟﺍ ﻉﻮﻧ ﺔﻗﺎﻄﺒﻟ ﻑﺮﺣ 14 ﻰﺘﺣ ﻞﺧﺩﺃ .3
.o ﻂﻐﺿﺍ ،ﺔﻴﻤﺴﺘﻟﺍ ﻉﻮﻧ ﺔﻗﺎﻄﺑ ﻑﺬﳊ •
w ﻂﻐﺿﺍ .4
.ﺽﺮﻌﻟﺍ ﺔﺷﺎﺷ ﻰﻠﻋ ﻪﻠﻴﻠﻈﺗ ﻢﺘﻳ ﻱﺬﻟﺍ ،ﺱﺎﻴﻘﻟﺍ ﺍﺬﻫ ﺮﻴﻐﺘﻳ •
.ﲔﺗ
ﹼ
ﺮﻣ
J ﻂﻐﺿﺍ ،ﺱﺎﻴﻘﻟﺍ ﻕﻭﺪﻨﺻ ﻕﻼﻏﻹ .5
ﺔﺷﺎﺸﻟﺍ ﻞﻴﻐﺸﺗ ﺱﺎﻴﻗ ﻢﻴﻗ ﻡﺪﺨﺘﺴﺗ ﻲﺘﻟﺍ ﺔﻴﺑﺎﺴﳊﺍ ﺔﻴﻠﻤﻌﻟﺍ ﺔﺠﻴﺘﻧ ﺽﺮﻋ k
ﻢﻴﻗ ﻭ ،ﻂﳋﺍ ﻝﻮﻃ ﻭ ،ﺔﻳﻭﺍﺰﻟﺍ ﺔﻤﻴﻗ ﻡﺍﺪﺨﺘﺳﺎﺑ ﺔﻴﺑﺎﺴﳊﺍ ﺕﺎﻴﻠﻤﻌﻟﺍ ﺀﺍﺩﻷ ﻢﺴﻘﻟﺍ ﺍﺬﻫ ﻲﻓ ﺭﻮﻛﺬﳌﺍ ﺀﺍﺮﺟﻹﺍ ﻡﺍﺪﺨﺘﺳﺍ ﻚﻨﻜﳝ
.ﺔﺷﺎﺸﻟﺍ ﻰﻠﻋ ﺔﺠﻴﺘﻨﻟﺍ ﺽﺮﻋ ﻭ ،ﻉﻮﺿﻮﳌﺎﺑ ﺔﻠﺼﺘﳌﺍ ﻯﺮﺧﻷﺍ ﺱﺎﻴﻘﻟﺍ
ﺔﺷﺎﺸﻟﺍ ﻞﻴﻐﺸﺗ ﺱﺎﻴﻗ ﺔﻤﻴﻗ ﻡﺪﺨﺘﺴﺗ ﻲﺘﻟﺍ ﺔﻴﺑﺎﺴﳊﺍ ﺔﻴﻠﻤﻌﻟﺍ ﺔﺠﻴﺘﻧ ﺽﺮﻌﻟ u
ﺽﺮﻌﻟﺍ ﺔﺷﺎﺷ ﻰﻠﻋ ﻢﺳﺮﻳ (AB ﻰﻠﻋ C ﺔﻄﻘﻧ ﻥﻮﻜﺗ) CD ﻂﳋﺍ ﺔﻌﻄﻗ ﻭ AB ﻂﳋﺍ ﺔﻌﻄﻗ ﻊﻣ :ﻝﺎﺜﳌﺍ
.ﺔﺷﺎﺷ ﻰﻠﻋ ﺔﺠﻴﺘﻨﻟﺍ ﺽﺮﻌﺑ ﻢﻗ ﻭ
∠DCB ﻭ ∠ACD ﺔﻋﻮﻤﺠﻣ ﺏﺎﺴﺤﺑ ﻢﻗ ،ﺎﻨﻫ ﺔﻨﻴﺒﻣ ﻲﻫ ﺎﻤﻛ
(
54.72 + 125.28 = 180.00)
ﺓﺭﻮﺻ ﻰﻟﺇ ﺕﺎﺳﺎﻴﻘﻟﺍ ﻖﺼﻟ" ﺮﻈﻧﺍ ،
∠DCB ﻭ ∠ACD ـﻟ ﺱﺎﻴﻘﻟﺍ ﻢﻴﻗ ﺽﺮﻋ ﻝﻮﺣ ﺕﺎﻣﻮﻠﻌﳌﺍ ﻦﻣ ﺪﻳﺰﻤﻠﻟ •
.(
14-49 ﺔﺤﻔﺻ) "ﺔﺷﺎﺸﻟﺍ
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