134k views
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

1 Answer

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
4.9k points