A square has 4 equal sides
use pythagroeas theorem since a square has 4 right angles
a^2+b^2=c^2
a=b because the sides are equal (11)
11^2+11^2=c^2
242=c^2
square root both sides
11√2=c
the diagonal legnth is 11√2 centimiters
Answer:A number decreased by 40
Step-by-step explanation: I really don't feel like explaining this lol...
8 + 3(16-12)
8 + 3(4)
8 + 12
20 is your answer
hope this helps
Answer:
It's b, 45 degrees
Step-by-step explanation:
1) 180-90 = 90
20 90 divided by 2 = 45
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