Answer:D 16inches by 8 inches
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
Shape: Opening of a circular vase


Required
Determine the area
This opening implies a circle; hence the area will be calculated using area of a circle.

Solve for radius (r)



Substitute 6.75 for r in 


--- Approximated
<span>The coordinates of the midpoint of EF is ((xE + xF)/2, (yE + yF)/2)
The third option is the correct answer.
</span>
No the triangle is not a right triangle
Answer:
10) C or D
11) C
12) B
Step-by-step explanation: