Un cerc are lungimea egala cu 20 pi cm. Aria disclui va fii egala cu: A.100 cm patrati
B.100 pi cm patrati
C.25 pi cm patrati
D.400 pi cm patrati

Răspunsul a fost dat de: USER5228
29 Agustus 2025 matematica 5 minute
4.5
164 Vezi 164 comentarii 10 Distribui

Întrebare

Clasă: Education Materie: matematica
Un cerc are lungimea egala cu 20 pi cm. Aria disclui va fii egala cu: A.100 cm patrati
B.100 pi cm patrati
C.25 pi cm patrati
D.400 pi cm patrati
Întrebare a fost pusă de:
164 Vezi 164 Răspunsuri

Răspuns (164)

Cel mai bun răspuns
(147)
raspuns corect: D. 400 pi cm patrati
pt ca se ridica lungimea la putera a doua si se inmulteste cu pi
20 la a doua pi = 400 pi cm patrati
Răspunsul a fost dat în data 29 Agustus 2025

Articole relevante

Which has the least capacity, 1gal 4qt 6pt 15c

46 Vezi 46 comentarii

Abcd is a cyclic quadrilateral with ab parallel to dc. If angle B is 70 degree find the other angles

100 Vezi 100 comentarii

What are the benefits of knowing more about various aspects of financial management? What can you do to increase your knowledge?

128 Vezi 128 comentarii

Suppose BK is an angle bisector of △ABC. Find AB if BC=7, AK=3.5, and KC=5

75 Vezi 75 comentarii

The diagnosis was described accurately. (Select the correct adverb.) Question 63 options: a) accurately b) described c) diagnosis d) was described

151 Vezi 151 comentarii

The _____ was developed by Johannes Gutenberg in 1454 and enabled ideas to spread quickly

90 Vezi 90 comentarii

Highlight details that reveal the central idea. There is no concept of "health and safety" in Elizabethan England, so you will inevitably feel vulnerable when you arrive. Nauseating smells and sights will assail your senses; contemporary standards of cleanliness will worry you. People die every day from unknown ailments, the young as often as the old. Infectious diseases periodically kill thousands within a few weeks. –The Time Traveler's Guide to Elizabethan England, Ian Mortimer What is the

160 Vezi 500 comentarii

What’s (4y + 8x +6) + 25 + (4x + 6y + 7)

40 Vezi 40 comentarii

Distribute the expression. 5(2s²−3s+4)


58 Vezi 58 comentarii

The belief that all scientific knowledge should be made available to everyone in the scientific community.

106 Vezi 106 comentarii

Precizează funcțiile sintactice ale cuvintelor din enunțul : Ce insemna "a îmblânzi" ?

87 Vezi 87 comentarii

strofa cu monorima despre iarna

31 Vezi 31 comentarii

accordez le participe passé du verbe vior dans la phrase suivante: les athlets que j'ai vu courrir

99 Vezi 99 comentarii

Quelle différence y a t-il entre une symétrie centrale et une transformation correspondant à un quart de tour seulement?

120 Vezi 120 comentarii

Care este sensul propriu secundar a cuvantului a spune ?​

57 Vezi 57 comentarii