Question

please solve this question ​

Answer 1

Answer:

solution :

: c= 72° [ being alternate angle ]

Again,

b+c+55°=180° [ being linear pair ]

or, b+72°+55°=180°

or, b+127°=180°

or, b=180°-127°

: b= 53°

Now,

a+b+72°=180° [ sum of angles of triangle ]

a+53°+72°=180°

a=180°-125

a=55°

Answer 2

This is ur answer. I hope it may be helpful for u..