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Perpendikuls, slīpne, slīpnes projekcija

Authored by Natali Zzz

Mathematics

11th Grade

Used 5+ times

Perpendikuls, slīpne, slīpnes projekcija
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

perpendikulu skaits, ko var novilkt no punkta, kas nepieder plaknei, pret šo plakni ir

0

1

2

4

bezgalīgi daudz

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

slīpņu skaits, ko var novilkt no punkta, kas nepieder plaknei, pret šo plakni ir

0

1

2

4

bezgalīgi daudz

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

ja perpendikuls AB un slīpne BC veido 300 leņķi un BC=16, tad AC garums ir

838\sqrt{3}

32

16

8

434\sqrt{3}

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

ja BA=CA= 727\sqrt{2}  , tad kosinus leņķim starp slīpni un slīpnes projekciju ir 

 2\sqrt{2}  

 22\frac{\sqrt{2}}{2}  

1

 32\frac{\sqrt{3}}{2}  

 3\sqrt{3}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

ja BA:BD=4:5, BD=15, tad AD garums ir

12

15

9

13

6

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

ja AB, AC un AD ir pa pāriem perpendikulāri, BD=9, BC=16 un AD=5, tad DC garums ir

56\sqrt{56}

25

15

10 2\sqrt{2}

47\sqrt{47}

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

ja BC=BD+26, AD=12 un AC=40, tad BC garums ir

52

28

41

15

17

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