Quantcast I need help in this math question? - XP Math - Forums
XP Math Home Sign Up FREE! | Sign In | Classroom Setup | Common Core Alignment PDF Version

Go Back   XP Math - Forums > Welcome > Off-Topic Discussion

Reply
 
Thread Tools Display Modes
Old 07-12-2007   #1
mahjabeen_haque
Guest
 
Posts: n/a
Default I need help in this math question?

In a triangle one angle measures 70 and the other angle measures 80. What is the measure of the third angle of the trieangle?a. 30b.50c.60d.210
  Reply With Quote
Old 07-12-2007   #2
amar_chaba
Guest
 
Posts: n/a
Default

70+80=150answer=180-150=30 option a).
  Reply With Quote
Old 07-12-2007   #3
mark r
Guest
 
Posts: n/a
Default

Sum of interior angles of a triangle equals 180 degrees.angle1 + angle2 + angle3 = 180angle1 = 70angle2 = 80angle3 = 180 - 80 - 70angle3 = 30answer: a, 30
  Reply With Quote
Old 07-12-2007   #4
Michael H
Guest
 
Posts: n/a
Default

Since the sum of the angles in a triangle equals 180 degreesThe correct answer is180-(70+80)=30
  Reply With Quote
Old 07-12-2007   #5
Gwenilynd
Guest
 
Posts: n/a
Default

In a triangle the angles always add up to equal 180.so 180 - 70 - 80 = 30
  Reply With Quote
Old 07-12-2007   #6
MensaMan
Guest
 
Posts: n/a
Default

If you add up the angles of a triangle you always get 180. So 70 + 80 = 150. Then 180 - 150 = 30. The answer is 30.
  Reply With Quote
Old 07-12-2007   #7
Scion

 
Join Date: Nov 2006
Posts: 446
Default

locked to prevent spam correct answer is A)30
__________________
Scion is offline   Reply With Quote
Old 07-12-2007   #8
Sally Jane
Guest
 
Posts: n/a
Default

A, all angles have to add up to 180. Check the source out!































www.math.com
  Reply With Quote
Old 07-12-2007   #9
Ferrero
Guest
 
Posts: n/a
Default

the sum of inner angle of a triangle is 180180-70-80= 30 (a)
  Reply With Quote
Old 07-12-2007   #10
V K
Guest
 
Posts: n/a
Default

the answer is 30
  Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 03:39 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, vBulletin Solutions Inc.
XP Math