Cevap :
http://www.sanalda1numara.net/ilkogretim-6-7-8-sinif-dersleri/141187-7-sinif-sbs-matematik-cember-ve-daire-cozumlu-test-sorulari-7-sinif-matematik-cemb.html.......................
http://www.matematiksbs.com/7-sinif-matematik-yaprak-testleri/7-sinif-cember-testi-sorulari-merkez-aci-cevre-aci