Answer:
60°
Step-by-step explanation:
If angles are complementary, they add up to 90 degrees. Let x be the complement of the given angle then...
∠A+x=90
30+x=90
Subtract 30 from both sides
x=60
60°
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Grace will take the bird first drop it off go back get the birdseed go back to the bird drop birdseed grab bird go back drop bird pick up cat go to birdseed on the other side drop the cat go back again get the bird then bring it back
All in all she went 7 times
I'm so sorry but i could not get the attachment downloaded. Wish I could help.
Answer:
Step-by-step explanation:
sum of interior angles of polygon = (n-2) *180
= (7-2)*180
= 5*180 = 900