Question

i am giving hundred points for this answer please answer this​

Answer 1

Answer:

answer will be 72 degree

Answer 2

Answer:

$\orange{ \mid{ \underline{ \overline{ \tt a= 72°}} \mid}}$

Step-by-step explanation:

we know that sum of all interior angle of triangle is equal to 180°

then ,

36°+72°+a = 180°

a = 180°-36°-72°

a= 72°