4 years ago

Help pls 20pts to best answer

1 answer:

6 0

C=135+120+165+x+125+165+90=800+x= 900(all interior angles in heptagon)
900-800=100
x=100

d=100+90+x+95+90=375+x= 540(all interior angles in a pentagon)
540-375=165
x=165

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