Question

For determining the support reactions at A and B of a three-hinged arch, points B and C are joined and produced to intersect the load line at D and line parallel to the load line through A at D'. Distance AD, DD' and AD' when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is

• A. 30⁰
• B. 45⁰
• C. 60⁰
• D. 90⁰

Answer 1

Answer: (D)