Determine the value of m in the diagram
In the figure above, a + 80º = 180º ( opp <s of cyclic quad.)
a = 100º
b1 = b2 (base <s of Isos. triangle)
b1 + b2 = 2b1
2b1 + a = 180
2b1 + 100º = 180º
b1 = 40º
In the same vain, 2c1 = 180º - 80º = 100º
c1 = 50º
Thus, m = b1 + c1 = 40º + 50º = 90º
Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}