Question

HELP HELP HELP PLS I GIVE U EXTRA POINTS

Answer 1

A= 45 degrees

Explanation:

aight so basic info here: all triangles are equal to 180 degrees knowing this we gotta make equation

80+7x-4+8x-1=180

combine like terms

75+15x=180

15x= 105

x= 7

now plug it back in

7(7)-4

49-4

45