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TGAU Mathemateg Datrys Problemau Siâp a Mesur Haen Uwch

TGAU Mathemateg Datrys Problemau Siâp a Mesur Haen Uwch. Help Llaw.

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TGAU Mathemateg Datrys Problemau Siâp a Mesur Haen Uwch

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  1. TGAU Mathemateg DatrysProblemau Siâp a Mesur HaenUwch

  2. Help Llaw • I greu het bartimaepeiriantyntorri sector o gylch ac yna’nplygu’r sector igreucôn. Os 76˚yw ongl y sector a chylcheddsylfaen y cônyw 55cm, ynadarganfyddwchddiamedr y cylch. Rhowcheichatebyngywiri’r mm agosaf. • Lluniwchddiagrama’ilabeluganddefnyddio’rwybodaethsyddyn y cwestiwn. • Cylcheddsylfaen y con ywhyd yr arc. Sutmaehyn • yneinhelpuiddarganfoddiamedr y cylch?

  3. Ateb 55cm Mae cylcheddsylfaen y cônyncaeleialwfelhyd yr arc. 76° r * d = 2r * Aildrefnnuiwneud d yndestun y fformiwla

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