Answer:
90 degrees
angles are measured in degrees
Answer: 1.) √121= 11
Step-by-step explanation:
11•11=121
Answer:
-18
Step-by-step explanation:
-18
The ar. of square =X^
=5.76
So,X=√5.76
=2.4
now, perimeter of square =4(X)
=4(2.4)
=9.6
So, the perimeter of the square is 9.6cm..
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Hope it helps you..