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10 E 51° 108° (a) Giving your reasons, show that ZOBD = 18° B Figure 2 Figure 2 shows the circle ABCDE with centre O. The chords AE and BD intersect outside the circle at the point F. LBCD = 108° ZADB = 51° accurate Given that AE = 4.9 cm, EF = 3.5 cm and DF = 3.0 cm, (b) calculate the area, in cm² to 3 significant figures, of AABF.

10 E 51° 108° (a) Giving your reasons, show that ZOBD = 18° B Figure 2 Figure 2 shows the circle ABCDE with centre O. The chords AE and BD intersect outside the circle at the point F. LBCD = 108° ZADB = 51° accurate Given that AE = 4.9 cm, EF = 3.5 cm and DF = 3.0 cm, (b) calculate the area, in cm² to 3 significant figures, of AABF.

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Diagram NOT accurately draws 10 E 51° 108° B. Figure 2 Figure 2 shows the circle ABCDE with centre O. The chords AE and BD intersect outside the circle at the point F. ZBCD = 108° ZADB = 51° (a) Giving your reasons, show that 2OBD= 18° Given that AE = 4.9 cm, EF = 3.5 cm and DF = 3.0 cm, (b) calculate the area, in cm² to 3 significant figures, of A ABF.
Transcribed Image Text:Diagram NOT accurately draws 10 E 51° 108° B. Figure 2 Figure 2 shows the circle ABCDE with centre O. The chords AE and BD intersect outside the circle at the point F. ZBCD = 108° ZADB = 51° (a) Giving your reasons, show that 2OBD= 18° Given that AE = 4.9 cm, EF = 3.5 cm and DF = 3.0 cm, (b) calculate the area, in cm² to 3 significant figures, of A ABF.
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