51Find the area of a triangle whose sides are 12 cm, 16 cm and 20 cm.A120 sq. cmB96 sq. cmC192 sq. cmD48 sq. cmView AnswerDiscussWorkspaceReportSaveMedium
52Find the circumference of a circle of radius 14 cm. (Take π = 22/7)A176 cmB88 cmC44 cmD616 cmView AnswerDiscussWorkspaceReportSaveEasy
53What is the area of a square whose diagonal is 16 cm?A64 sq. cmB128 sq. cmC112 sq. cmD256 sq. cmView AnswerDiscussWorkspaceReportSaveEasy
54Find the area of a circle of radius 42 cm. (Take π = 22/7)A132 sq. cmB11,088 sq. cmC5,544 sq. cmD264 sq. cmView AnswerDiscussWorkspaceReportSaveEasy
55The perimeter of a rectangle is 86 m and its length is 38 m. What is its area?A190 sq. mB1,634 sq. mC817 sq. mD874 sq. mView AnswerDiscussWorkspaceReportSaveEasy