wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

AB, BC and CD are three consecutive sides of a regular polygon. If BAC = 20, Find its each interior angle

A
120
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
110
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
140
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
none of the above
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct options are
A 120
C 140
AB, BC and CD are three consecutive sides of a regular polygon and BAC=20o,
In BAC,AB=BC,
Therefore, BCA=BAC=20o (Isosceles Triangle)
Now,
BCA+BAC+ABC=180o
20o+20o+ABC=180o
ABC=140o
Each interior angle = 140o

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Finding the Increase or Decrease in Percent
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon