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Geomeetria 7. klass

Authored by Eliise Oss

Mathematics

7th Grade

Used 9+ times

Geomeetria 7. klass
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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kas hulknurgal võib olla ainult kaks nurka?

jah

ei

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Geomeetriline kujund, mis koosneb lõikudest on

korrapärane hulknurk

Kolmnurk

murdjoon

sirge

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Leia korrapärase hulknurga ümbermõõt, kui hulknurga tippude arv on 5 ja külje pikkus on 2,5

(a)  

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Leia korrapärase hulknurga tippude arv, kui ümbermõõt on 12,6 ja külje pikkus on 1,4

(a)  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kui korrapärase hulknurga nurkade summa on 720°720\degree  ja ühe nurga suurus on 120°120\degree  , siis mitu nurka on hulknurgal?

6 nurka

4 nurka

5 nurka

7 nurka

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Leia korrapärase hulknurga ühe nurga suurus, kui on teada, et nurkade summa on 1080°1080\degree  ja tippude arv on 8.

144°144\degree  

108°108\degree  

160°160\degree  

135°135\degree  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mis valemi abil saab leida hulknurga sisenurkade summa?

Kõigi hulknurkade sisenurkade summa on 360°360\degree  

Kõigi hulknurkade sisenurkade summa on 180°180\degree  

nurkade arv ⋅ 180°nurkade\ arv\ \cdot\ 180\degree  

(nurkade arv − 2)⋅180°\left(nurkade\ arv\ -\ 2\right)\cdot180\degree  

(2⋅nurkade arv)⋅180°\left(2\cdot nurkade\ arv\right)\cdot180\degree  

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