Answer:
23 degrees
Step-by-step explanation:
Supplementary means they add to 180. Therefore if you subtract this angle from 180, it will give you the other angle.
180 - 157 = 23
Answer:
6mm
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
Answer:
100
Step-by-step explanation:
an isosceles triangle is equal so if one side is 100 degrees, the other side is too