Evalute the expertion (-5)(7)+4=
1 answer:
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Since the circumference is 80, you know that the equation used was:
Divide by pi and you'd get d = 25.465
Divide that by 2 to get your radius.
25.465 / 2 = 12.723 = r
The area formula for a circle is
So,
= 508.544 square feet
Divide by pi and you'd get d = 25.465
Divide that by 2 to get your radius.
25.465 / 2 = 12.723 = r
The area formula for a circle is
So,
Answer:
Step-by-step explanation:
To answer this question, you should cut this cube and see these two square faces that these lines are drawed as I show on the upload...
These lines represents a 45º of angle and the sum of them is 90º.
