Ъглополовяща на ъгъл
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Юлия Генова
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
В триъгълника ABC ъглополовящите AA1 и BB1 се пресичат в точка L. Ако < BLA1 = 800, то градусната мярка на < ACB е:
150
200
400
800
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
На чертежа CL (L ∈ AB) и AM (M ∈ BC) са ъглополовящи на триъгълника ABC и се пресичат в точка O. Точката O лежи на:
медианата към страната AC
височината към страната AC
равни разстояния от страните на триъгълника ABC
равни разстояния от върховете на триъгълника ABC
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
На чертежа AM и BN са ъглополовящи в △ABC . Кое равенство вярно изразява ъгъл x чрез ъгъл δ ?
x = 900 + δ
x = 900 + δ/2
x = 1800 - δ
x = 1800 - δ/2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1000
1200
1400
1500
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
На чертежа AO и BO са ъглополовящи в триъгълника ABC . Ако < AOB = 1200 и < OAC = 250 , то < ABC е равен на:
250
350
500
700
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
В остроъгълния Δ ABC височините през върховете A и B се пресичат в точката H и ∠ AHB = 1320 . Да се намери острият ъгъл между ъглополовящите на ъглите на триъгълника при върховете A и B.
450
660
750
780
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Ъглополовящите AL (L ∈ BC) и BK (K ∈ AC) в Δ ABC се пресичат в точката O. Да се намери мярката на ∠ ACB , ако ∠ BOL и ∠ AOB се отнасят както 13 : 23 .
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500
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