Dr. black is standing 15 feet from a streetlamp. the lamp is making his shadow 8 feet long. he estimates that the angle of evelation from the tip of his shadow to the top of the streetlamp is 50 degrees. to the nearest foot, the streetlamp is about answer ( no picture, a word problem )

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?