56What is the area of a square whose diagonal is 30 cm?A900 sq. cmB434 sq. cmC225 sq. cmD450 sq. cmView AnswerDiscussWorkspaceReportSaveEasy
57What is the area of a square whose diagonal is 8 cm?A32 sq. cmB36 sq. cmC64 sq. cmD16 sq. cmView AnswerDiscussWorkspaceReportSaveEasy
58Find the area of a triangle whose sides are 24 cm, 45 cm and 51 cm.A1,080 sq. cmB612 sq. cmC540 sq. cmD120 sq. cmView AnswerDiscussWorkspaceReportSaveMedium
59Find the area of a circle of radius 42 cm. (Take π = 22/7)A5,544 sq. cmB132 sq. cmC11,088 sq. cmD264 sq. cmView AnswerDiscussWorkspaceReportSaveEasy
60Find the circumference of a circle of radius 14 cm. (Take π = 22/7)A44 cmB88 cmC616 cmD176 cmView AnswerDiscussWorkspaceReportSaveEasy