Solve for k in the proportion.

18
12
=
k
8

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

What is the measure of angle x? answer

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)