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(c) Calculate (i) the area of the triangle DOC, ст Answer(c)(i) (ii) the area of the pentagon ABCDE, cm Answer(c)(ii) (iii) the area of the sector ODC,

(c) Calculate (i) the area of the triangle DOC, ст Answer(c)(i) (ii) the area of the pentagon ABCDE, cm Answer(c)(ii) (iii) the area of the sector ODC,

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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Mathematics Paper 4 (extended) 4.1 GEOMETRY: POLYGONS 2012 N Q1 ge 2 page 3 POLYGONS + TRIGONOMETRY NOT TO SCALE E 7 cm D C Y The vertices A, B, C, D and E of a regular pentagon lie on the circumference of a circle, centre 0, radius 7 cm. They also lie on the sides of a rectangle WXYZ.
Transcribed Image Text:Mathematics Paper 4 (extended) 4.1 GEOMETRY: POLYGONS 2012 N Q1 ge 2 page 3 POLYGONS + TRIGONOMETRY NOT TO SCALE E 7 cm D C Y The vertices A, B, C, D and E of a regular pentagon lie on the circumference of a circle, centre 0, radius 7 cm. They also lie on the sides of a rectangle WXYZ.
(c) Calculate (i) the area of the triangle DOC, cm2 Answer(c)(i) (ii) the area of the pentagon ABCDE, (iii) the area of the sector ODC, 2. cm Answer(c)(ii) (iv) the length XY. Answer(c)(iii) cm Answer(c)(iv) (d) Calculate the ratio cm area of the pentagon ABCDE: area of the rectangle WXYZ. Give your answer in the form 1 : n. KS VEN To order nlearo o Answer(d) 1:
Transcribed Image Text:(c) Calculate (i) the area of the triangle DOC, cm2 Answer(c)(i) (ii) the area of the pentagon ABCDE, (iii) the area of the sector ODC, 2. cm Answer(c)(ii) (iv) the length XY. Answer(c)(iii) cm Answer(c)(iv) (d) Calculate the ratio cm area of the pentagon ABCDE: area of the rectangle WXYZ. Give your answer in the form 1 : n. KS VEN To order nlearo o Answer(d) 1:
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