M3 - Lunghezza della circonferenza
Quiz
•
Mathematics
•
8th Grade
•
Medium

Matteo Cappelletti
Used 4+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Come si calcola la circonferenza C di un cerchio conoscendo il raggio?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se il raggio di un cerchio è 5 cm, qual è la lunghezza della circonferenza?
15.7 cm
40 cm
25.12 cm
31.42 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Come si calcola la lunghezza dell'arco L conoscendo circonferenza e angolo al centro?
Scrivi la proporzione e indica la formula corretta.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se un angolo al centro misura 60° e il raggio è 10 cm, qual è la lunghezza dell'arco?
5.24 cm
15.71 cm
20.00 cm
10.47 cm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il valore approssimato ai centesimi del Pi greco?
6,28
3,24
3,14
3,14159
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se un cerchio ha una circonferenza di 31,4 cm, qual è il suo raggio?
7 cm
5 cm
3 cm
10 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Osserva l'immagine. La circonferenza nera misura 125,6 cm. Qual è la misura della circonferenza verde?
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