Page 52 - Engineering
P. 52
٣٩ ﺍﳌﺴﺘﻘﻴﻤﺎﺕ ﻭﺍﻟﺰﻭﺍﻳﺎ
)د( 22° ﻣﺴﺎﺋﻞ ﻏﻴﺮ ﻣﺤﻠﻮﻟﺔ
) [Gauss 2011] (١ﻣﺎ ﻗﻴﻤﺔ xﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ؟
)ج( 20° )ب( 18° )أ( 15°
2x °
3x °
) [Gauss 2008] (٢ﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ PQ ،ﻣﺴﺘﻘﻴﻢ .ﻣﺎ ﻗﻴﻤﺔ x؟
)د( 72° )ج( 45° )ب( 36° )أ( 20°
x° x° x° Q
P x° x°
) [Gauss 2006] (٣ﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ ABC ،ﻣﺴﺘﻘﻴﻢ .ﻣﺎ ﻗﻴﻤﺔ x؟
)د( 140° )ج( 120° )ب( 100° )أ( 50°
A x° 40° C
B
) [AUST.MC 1990] (٤ﰲ اﻟﺸﻜﻞ اﳌﺮﻓﻖ PQ ،ﻣﺴﺘﻘﻴﻢ .ﻣﺎ ﻗﻴﺎس اﻟﺰاوﻳﺔ
STP؟
S
78° 33° R
T
P Q
