Question

hey please help i need this before class thanks

Answer 1

Answer:

45

Step-by-step explanation:

sum of angles of triangle is 180:

2k + k + 45 + 180   then 3k = 135

k = 45

Answer 2

Answer:

k = 45

Step-by-step explanation:

all triangles have 180 degrees, so

k = (180 - 45)/3