A.0.14159 sq. unit B.1.40954 sq. unit C.0.16125 sq. unit D.0.86603 sq. unit E.0.15227 sq. unit 40. Sally stands x feet from the bottom of the building and finds the elevation angle to the top of the building is 70. When she steps back another 20 feet from under the building, she realizes that the elevation angle is 50. How tall is the building?A. 20sin (70°) sin (50°) / sin (20°) feet B. 20sin (50°) / C. 20sin (50°) / sin (20°) feet D. 20sin (70°) sin (20°) / sin (50°) feet E. 20sin (50°) / sin (120°) feet
A.0.14159 sq. unit B.1.40954 sq. unit C.0.16125 sq. unit D.0.86603 sq. unit E.0.15227 sq. unit 40. Sally stands x feet from the bottom of the building and finds the elevation angle to the top of the building is 70. When she steps back another 20 feet from under the building, she realizes that the elevation angle is 50. How tall is the building?A. 20sin (70°) sin (50°) / sin (20°) feet B. 20sin (50°) / C. 20sin (50°) / sin (20°) feet D. 20sin (70°) sin (20°) / sin (50°) feet E. 20sin (50°) / sin (120°) feet
A.0.14159 sq. unit B.1.40954 sq. unit C.0.16125 sq. unit D.0.86603 sq. unit E.0.15227 sq. unit 40. Sally stands x feet from the bottom of the building and finds the elevation angle to the top of the building is 70. When she steps back another 20 feet from under the building, she realizes that the elevation angle is 50. How tall is the building?A. 20sin (70°) sin (50°) / sin (20°) feet B. 20sin (50°) / C. 20sin (50°) / sin (20°) feet D. 20sin (70°) sin (20°) / sin (50°) feet E. 20sin (50°) / sin (120°) feet
. . B.1, the Treasure Tower 5 centimeters in height and. 8 * 1cm 5.2 centimeters, 30. 36 cm, three. two lines are crossing – 5 / 12 slope. the crossing of a pair of vertical angle formed by a line that divides the pair of those lines, Which of the following do you think?A. 2/9 B. 2/11 C. 8/33 D. 7/33 E. 9/3738。 三角形ABCでは、点DはAからBへの道の5分の2、点EはCからBへの道の5分の2に位置しています。 a triangular area ratio of the triangle ABC an area of a DBE How long is it?13:26 the latter (A/B) of B / 5 two thirds of the C. , 9, / 539., , 4 and 2 53 of the following one unit, and has a radius of tangential circle the outside of the three a What is the closest to a region of the shadow of the region?