#mootxnUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemitCryptoAcademySteemit Feedbackআমার বাংলা ব্লগSteem AllianceKorea • 한국 • KR • KOSTEEM CN/中文AVLE 일상Beauty of CreativityComunidad LatinaTron Fan ClubSteem For Lifestyle#mootxnTrendingHotNewPayoutsMutedstearjohn (31)in #mootxn • 8 years ago9Gmathn9001Rvertices A(0,7), B(5,-5) and C(10,7). The area of △ABC is A.50 B.60 C.80 D.120 E.140 30.△ABC is an…