A wave washed away some of the girls' sand castle and now it has a radius of 3 in. and a height of 5 in. What is the approximate volume of sand lost from original castle? HURRY !! PLZ

3. find the radius of circle p.4. find y.

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.