ABCD is a trapezium with BC = 11 cm. 4D = 15 cm and BC parallel to 4D. The point E on AD is such that EC is parallel to AB The area of triangle ECD = 7 cm Find the area, in cm^2, of the trapezium ABCD.

What expression is equivalent to 1/2(2+3x-6)

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)