Answer:
20
Step-by-step explanation:
the whole angle needs to be 180 degrees 180-100=80 80-20=60 20×3=60 60+20=80 80+100=180
A. True
B. False
C.False
D. False
E. True
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Answer:
13/24 i think
Step-by-step explanation:
The answer would be never.
A geometric plane unless stated finite goes on forever meaning that when two planes intersect, it could never be at a point since they cannot intersect point to point or point to side or side to side.
Answer:
71 degrees
Step-by-step explanation:
