Question

DETAILS SALGTRIG4 5.1.010. The base of the ladder in the figure is a 7 ft from the building, and the angle formed by the ladder and the ground is 72. How high up the building does the ladder touch? (Round ft Show My Work What steps of reasoning did you use? Your work counts towards your score You can submitshow my work an unlimited number of times Show My Work has not been graded yet

Answer 1

| building Ladder ܝܐ A . а. B building laddu Ginen Base Base of Ladde a = 7 ft. from Let 'h' be height at which touch the building and angle formed by the formed by the ladder and i 720 ground ie. between building and ground The angle i is a right angle triangle, Şo. 0=720 90 A ABC

and, we know that tan o Perpendicular Base Perpendiculas T tan o = ہواہے۔ a tan 72 72 7 D 7 h = 7 tan 72 7 h = =) (3.07768354) h = 21.5437848 h 21.5 ft. ar So, the had des touch building at a 21.5 ft. Answer