Valjak, stožac i kugla

Quiz
•
Mathematics
•
9th Grade
•
Hard
Milena Šujansky
Used 4+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oplošje valjka je .
Ako je visina 12 cm, koliki je promjer baze valjka?
5 cm
10 cm
5.72 cm
11.44 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kvadrat površine 49 cm je plašt valjka. Koliki je obujam valjka?
27.30 cm3
85.75 cm3
269.39 cm3
28.58 cm3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
U čašu oblika uspravnog valjka čija je visina dvostruko dulja od promjera baze, ulivena je voda do njezine visine. Uronimo li u vodu 4 kuglice leda polumjera 1.5 cm, razina vode u čaši podigne se do vrha čaše. Kolika je visina čaše?
4.24 cm
8.49 cm
12.72 cm
10.48 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Izračunajte volumen jednakostraničnog stošca kojemu je opseg baze .
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Baza uspravnog stošca je površine 47.78 cm2. Ako je kut koji izvodnica stošca zatvara s ravninom baze 54° 25´, kolika je visina stošca?
5.45 cm
2.79 cm
3.17 cm
4.79 cm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ako se plašt uspravnog stošca razvije u ravninu, dobije se četvrtina kruga radijusa 12 cm. Koliko je oplošje tog stošca?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
U kornet u obliku okrenutog stošca kojemu je visina 12 cm, a promjer baze 10 cm, ubačena je kugla sladoleda tako da je njena najviša točka u ravnini s bazom stošca. Koliki je volumen kugle sladoleda?
155.15 cm3
139.63 cm3
465.42 cm3
116.36 cm3
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