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  
 
+1
189
4
avatar+64 

PA and PB are both tangents to cicrle C with mADB = 225.

file:///C:/Users/Student/Documents/Quiz%204.11_%234.JPG

 

A. 90°

B. 45°

C. 135°

D. 112.5°

 Jun 7, 2018
 #1
avatar+18329 
+1

Sorry, TM31....that is not a web address.....that is a file  address on the computer to which you are using/connected.

 Jun 7, 2018
 #2
avatar+64 
+1

sorry here is the one

https://learning.k12.com/d2l/common/viewFile.d2lfile/Database/Mzg1MzA1NQ/Quiz%204.11__4.JPG?ou=374067

THEMAN31  Jun 7, 2018
 #4
avatar+18329 
+1

See #5   at:

https://mathbitsnotebook.com/Geometry/Circles/CRAngles.html

ElectricPavlov  Jun 7, 2018
 #3
avatar+101371 
+2

If ADB  = 225°, then minor arc AB  = 360  - 225  = 135°

 

And the measure  of APB  =

 

(1/2) ( measure of arc ADB  -  measure of  minor arc AB )  =

 

(1/2) ( 225  - 135)  =

 

(1/2)(90)  =

 

45°

 

 

cool cool cool

 Jun 7, 2018

7 Online Users