Question

hi guys
please help I will mark you brilliant if answer my question first
thank you​

Answer 1

Answer:

(1)=1

(2)=1/2

(3)=60

(4)-9/5

(5)1

(6)180

(7)=regional

(8)=0

(9)=triangle

Step-by-step explanation:

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Answer 2

Answer:

1. a) 1
2. c) 1/2
3. b) 60
5. c) 3
6. a)360
8. c) 0
9. a) 1
10. a) 1, 10
11. a) congruent                                                                                                             In 4th and 7th question, i am not sure about the answer. so I didn't mention answer because i don't want to give wrong answer