134,079 views
4 votes
4 votes
Find the value of the variable

A. 180 degree
B. 25 degree
C. 55 degree
D. 125 degree

Help!!!!!

Find the value of the variable A. 180 degree B. 25 degree C. 55 degree D. 125 degree-example-1
User Stephan Du Toit
by
3.3k points

1 Answer

0 votes
0 votes

Answer:

120°

Explanation:

125° + ( y + 5 )° + y = 360°

or, 125° + y + 5° + y = 360°

or, 2y + 130° = 360°

or, 2y = 360° - 130°

or, 2y = 230

or, y = 230/ 2

. y = 115°

. .

. ( y + 5 )°

. . ( 115 + 5 )°

.

. . 120°

Option are wrong.

User Abhishek Salian
by
3.6k points