+0  
 
0
183
1
avatar+121 

​ Quadrilateral ABCD ​ is inscribed in this circle.

What is the measure of  ∠A ?

AgentFatboy  Mar 23, 2018

Best Answer 

 #1
avatar+14573 
+3

OPPOSITE angles of a cyclic quadrilateral ( a quadrilateral with all vertices on the circumference of a given circle) add to 180 degrees    so A = 180 - 43 = 137 degrees

ElectricPavlov  Mar 23, 2018
 #1
avatar+14573 
+3
Best Answer

OPPOSITE angles of a cyclic quadrilateral ( a quadrilateral with all vertices on the circumference of a given circle) add to 180 degrees    so A = 180 - 43 = 137 degrees

ElectricPavlov  Mar 23, 2018

12 Online Users

avatar
avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.