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Mathemateg > Magenta > Flashcards

Magenta Flashcards

1
Q

Beth ye hafaliaf unfath

A

Hafalid syn fywir pob tro

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2
Q

Hx h
Hx a
Cyf/a

A

Arwynebedd
Cyfaint
Hyd

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3
Q

Defnyddio trionglau I darganfod ffrwstum (section) con

A

Saul trio ngl mawr/ sail trongl bach

=
Uchel triongl mawr/ ucher triongl bach

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4
Q

Darganfod buanedd mwyaf posib

A

Pellter mwyaf/amser leeiaf

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5
Q

Pam ydynt yn defnyddio hafalid PAD

A

Person/km^3 i gymaru pa mor datblygied y ardal

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6
Q

Dwyedd
G
Kg

A

cm3
M3

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7
Q

4 mewn day dydd
Faint am 6
Cyranedd union

A

4/2
6 x 4/2

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8
Q

4 mewn 2 dydd
Faint am 6
CyfrNedd gwrthdro

A

4 x 2
4 x 2 / 6

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9
Q

Beth i neud gyda nfed term cwadratic

A

Cymharu gyda rhifau sgwar

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10
Q

Id dylyniant is mwy cymlwth

A

Darganfod ail gwahaniaeth
Rhannu gyda Dau 6/2 = 3
Ysgrifennu allan rhifau sgwar
Ysgrifennu allan 3nsgwaruo
Tynnu I Darganfod gwahaniaeth newydd

3nsgwaruo I dechrau, dechreuad y dilyniant newydd, gwahaniaeth y dylyniant newydd

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11
Q

If we are rhannu o lluaosi with rhifau negatif

A

Change > to <

For example
5x > 2x
X = -2
-10> -4 is wrong
-10<-4 right

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12
Q

Pedwar rheol trionglau cyflun

A

Sss
Sas
Asa
Rhs

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13
Q

Sut i darganfod os mae ffracsiwn yn trefnus neu cylchol

A

Symleiddio ir mwyaf syml
Posib
Gwneud coeden or thif gwaelod
Os oes unrhwy rhid sydd ddim yn 2 neu 5 maen cylchol

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14
Q

Beth yw cyf
Onglau allanol
Mewnol

A

360
180( n-2)

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15
Q

What are thr siapau that britjweithio

A

Triognl hafalochrog
Sgwar
Hecsagkn rheolaidd

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16
Q

How to datrys 1 ongl allanol
1 ongl mewnol

A

360/n
180-360/n

17
Q

8 theorem

A

Mae tangiad a radiws yn perpandicualr ac yn creu ongl sgwar
Mae ongl mewn hanner cylch yn ongl sgwar
Mae ingl nganol cylch 2 waith yr ongl ar y cylchyn
Mae onglau yr um segment yn hafal
Mae onglau cyferbyn pedrochr ar y cylchyn yn adio i 180
Mae hyd tangiadau o bwynt allanil yn hafal
Mae ingl rhwng cord a tangiaf yn hafal ir ongl yn y segment eiledol
Mae perpendicular or canol i gord yn hanner cord

Mathemateg (6 decks)

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