A ladder is placed 10 feet away from a tree. The length of the ladder is 25 feet. Find the height of the tree?

Two lines parallel to a third line are parallel to each other. always sometimes or never

Twelve less than a number is at most 20

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)