Answer:
20°
Step-by-step explanation:
C70° vertically opposite... the alternate then vertically opposite again then 90° - 70° = 20°
Hey There!
To find the blank you have to multiply

*

=
Answer:
I am pretty sure it is B I am not sure but this is what I think
Step-by-step explanation:
Answer:
undefined
Step-by-step explanation:
The square root of a negative number is undefined