Mathematics Paper 4 (extended)4.1 GEOMETRY: POLYGONS2012 N Q1ge 2page 3POLYGONS + TRIGONOMETRYNOT TOSCALEE7 cmDCYThe 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,cm2Answer(c)(i)(ii) the area of the pentagon ABCDE,(iii) the area of the sector ODC,2.cmAnswer(c)(ii)(iv) the length XY.Answer(c)(iii)cmAnswer(c)(iv)(d) Calculate the ratiocmarea of the pentagon ABCDE: area of the rectangle WXYZ.Give your answer in the form 1 : n.KS VENTo order nlearo oAnswer(d) 1:

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Answered: (c) Calculate (i) the area of the…

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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(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,