Answer:
B) 
Step-by-step explanation:
The formula for the area of a circle is : 
The radius of a circle is the length from one side to the centre.
To work this out you would have to multiply pi by the radius of 7 squared, this gives you 153.94, however if using pi as in 3.14, then the answer is 153.86.
1) Multiply pi by 7 squared.

Answer:
36 inches = 1 yard
Step-by-step explanation:
divide the length value by 36
Answer:
Step-by-step explanation:
Answer:
d. 13 inches
Step-by-step explanation:
Right of the bat, we can choose 13 because the two triangle sides must be greater than one. 5+8=13, so the triangle would not be complete.
Answer:
The sum of the length of any two sides must be greater than the length of the third side, so the given lengths do not form a right triangle.