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8.1 Voltooi die volgende stelling met die ontbrekende woord(e): Die raaklyn aan 'n sirkel is .. - NSC Technical Mathematics - Question 8 - 2023 - Paper 2

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8.1 Voltooi die volgende stelling met die ontbrekende woord(e): Die raaklyn aan 'n sirkel is ... aan die radius van die sirkel by die raakpunt. 8.2 In die diagram h... show full transcript

Worked Solution & Example Answer:8.1 Voltooi die volgende stelling met die ontbrekende woord(e): Die raaklyn aan 'n sirkel is .. - NSC Technical Mathematics - Question 8 - 2023 - Paper 2

Step 1

8.2.1 $\hat{D_1}$

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Answer

D1^=55\hat{D_1} = 55^\circ (tan - chord / raaklyn - koord)

Step 2

8.2.2 $\hat{F_3}$

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Answer

F3^=55\hat{F_3} = 55^\circ (alt/verw.ZS;CDFH)\angle ZS; CD \| FH)

Step 3

8.2.3 $\hat{F_1}$

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Answer

F1^=35\hat{F_1} = 35^\circ (angles opposite sides / Le teenoor = sy)

Step 4

8.2.4 $\hat{DFC}$

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Answer

DFC^=52\hat{DFC} = 52^\circ (tan - chord / raaklyn - koord)    DFC^=52 \implies \hat{DFC} = 52^\circ

Step 5

8.3.1 $\hat{D_1}$

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Answer

D1^=90\hat{D_1} = 90^\circ (\text{in semi-circle / sirkel})    D1^=31 \implies \hat{D_1} = 31^\circ (Int \angles of A^\hat{A} / bime \angle van A^\hat{A})

Step 6

8.3.2 $\hat{D_2}$

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Answer

D2^=31\hat{D_2} = 31^\circ (equal chords, equal \angles / gelyke korde, gelyke \angle)

Step 7

8.3.3 $\hat{B_3}$

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Answer

B3^=62\hat{B_3} = 62^\circ (exterior angle of cyclic quad / buite \angle van kady)    B3^=18059B1^=62 \implies \hat{B_3} = 180^\circ - 59^\circ - \hat{B_1} = 62^\circ

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