Еднакви триъгълници 30

Еднакви триъгълници 30

7th Grade

10 Qs

quiz-placeholder

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Еднакви триъгълници 30

Еднакви триъгълници 30

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Petya petya.petrova@oulevskibg.com

Used 23+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ако Δ ABCΔMNP и BAC=65°,MPN=75°\Delta\ ABC\cong\Delta MNP\ и\ \angle BAC=65\degree,\angle MPN=75\degree  то мярката на  ABC \angle ABC\   e:

 40°40\degree  

 50°50\degree  

 60°60\degree  

 140°140\degree  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

В равнобедрения ΔABC(AC=BC) BAC\Delta ABC\left(AC=BC\right)\ \angle BAC  е два
пъти по-голям от  ACB\angle ACB  .

 Мярката на   ABC e:\angle\ ABC\ e:  

 72°72\degree  

 60°60\degree  

 45°45\degree  

 36°36\degree  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Даден е равнобедрен ΔABC с ACB=120°\Delta ABC\ с\ \angle ACB=120\degree . Ако медианата  CM=8 cmCM=8\ cm  дължината на бедрото  BCBC  e:

 4 cm4\ cm  

 8 cm8\ cm  

 12 cm12\ cm  

 16 cm16\ cm  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Даден е правоъгълен ΔABC(ACB =90°).\Delta ABC\left(\angle ACB\ =90\degree\right). Ако  BAC=60° и AC+AB =12cm,\angle BAC=60\degree\ и\ AC+AB\ =12cm,  разликата  ABACAB-AC  е равна на: 

 2 cm2\ cm  

 4 cm4\ cm  

 6 cm6\ cm  

 8 cm8\ cm  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Даден е правоъгълен  ΔABC\Delta ABC  . Ако  CMCM  е медиана към хипотенузата му ABAB  и  ACM=54°\angle ACM=54\degree  , мярката на   ABC \angle\ ABC\   е:

 27°27\degree  

 36°36\degree  

 54°54\degree  

 72°72\degree  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Даден е равнобедрен  ΔABC\Delta ABC  с  ACB=120°. \angle ACB=120\degree.\   Ако бедрото  AC=8 cmAC=8\ cm  , дължината на ъглополовящата  CLCL  e:

 4 cm4\ cm  

 8 cm8\ cm  

 12 cm12\ cm  

 16 cm16\ cm  

7.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Даден е правоъгълен  ΔABC\Delta ABC . Симетралата на хипотенузата  ABAB  пресича катета  ACAC  в точка  KK  . Ako  AKB=150° и BC=4 cm\angle AKB=150\degree\ и\ BC=4\ cm  , намерете дължината на отсечката  AKAK  . 

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