We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
147
1
avatar

can someone please guide me thru this? thank you so much

 Oct 1, 2018
 #1
avatar+5797 
+2

\(180^\circ \text{ is the sum of the interior angles of a triangle}\\ x = 180-42=73 = 65\\ \text{the sum of supplementary angles is }180^\circ \\ y = 180 - 131 = 49 \\ \text{Now z is supplementary to the unlabeled angle that is }180-x-y \\ \text{thus }z = 180 - (180-x-y) = x+y \\ z = 65 + 49 = 114^\circ\)

.
 Oct 2, 2018

11 Online Users