Answer:
7. yes, because the angles are 180 degrees
8. CD=31 because CD=2(CP)=2(15.5)
9. No, because they both form an OBTUSE angle, not a straight angle nor a right angle
Step-by-step explanation:
Hope this helps UwU
Answer:
43
Step-by-step explanation:
Could you maybe right it down so i can like... understand it
The only solution for

is

, so it's either

or

.
Both

and

are equal to 1, so the answer is

.