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# How many sides do 3 dodecagons and 1 decagon have in all?

Updated: 12/16/2022

shanshan Jiang

Lvl 10
2y ago

46 sides

3 * 12 + 10

Matt S

Lvl 6
2y ago

Jonas Shen

Lvl 1
2y ago
46 sides

احدث مسلسلات رمضان 2...

Lvl 1
2y ago
جانب 46

Evie Goodall

Lvl 1
2y ago
????

Lvl 1
2y ago
For a diagonal to be formed, 2 vertices are required. Thus in a decagon there are 10 sides. And no.of lines can be formed are 10C2 ( C combinations -Permutations and Combinations) but in 10C2 the sides are also included.

ANIZA HABIBUN

Lvl 1
2y ago
22

Emily Tata

Lvl 1
2y ago
An octagon has 8 sides. A decagon has 10. So 3*8+10 = 34 sides

Emily Tata

Lvl 1
2y ago
46

DavidWW07

Lvl 1
2y ago
46 sides

DavidWW07

Lvl 1
2y ago
46 side

DavidWW07

Lvl 1
2y ago
46 sides cause 3 X 12 +10 = 46

Evan Carter

Lvl 1
2y ago
ooooof

Lvl 1
2y ago
46

Isaiah Followay

Lvl 1
2y ago
46 sides

Isaiah Followay

Lvl 1
2y ago
FVBGJM

pabin gurung

Lvl 5
2y ago

46 sides

😑🤔😮😯🤮🤮🤥😐😥😐😐😱😐😱🤢😱😷🙄🙄😥😧😥😧😓😷🙄🙄😨🙄😷😧😥😥😷🤢🙄😥

४६ साइड्ज़

_KittyCrystal_

Lvl 2
2y ago

It's, well... 46 SIDES!

Nour Eid

Lvl 1
2y ago
Like

Lvl 2
2y ago

Tenuli Liyansa

Lvl 2
2y ago

A decagon has 10. So 3*8+10 = 34 sides

shanshan Jiang

Lvl 10
2y ago

Lvl 1
2y ago
awsum thx!

Evelyn Borer

Lvl 1
2y ago
awsom, thx

shanshan Jiang

Lvl 1
2y ago
np

Yuhan Wang

Lvl 3
2y ago

3 * 12 + 10

Lorenza Kassulke

Lvl 1
2y ago

32 Steve Methri

Lvl 4
2y ago

46 sides

William Clark

Lvl 4
2y ago

one

Emily Tata

Lvl 5
2y ago

46 sides

Juvenal Dare

Lvl 1
2y ago
Absolutely!