Answer:
B
Step-by-step explanation:
Answer:
52º, 128º
Step-by-step explanation:
8. Because ∠6 is an opposite angle to ∠5, ∠6=∠5=52º;
9. Because line a//line b, ∠6=∠4=52º, so ∠7=180º–52º=128º
Answer:
None of these!
Step-by-step explanation:
x + y + z = x + y + z only over here
Answer: v = u= 
Step-by-step explanation:
v= cos45 * 4= 
- Apply Pythagorean theorem
= 
We have u = 
I meant verb ...... Stupid auto correct