If sides A and B of a triangle have lengths of 1 and 6 respectively, and the angle between them is #(7pi)/8#, then what is the area of the triangle? Trigonometry Triangles and Vectors Area of a Triangle 1 Answer P dilip_k Aug 15, 2016 #"Area of the triangle"=1/2ABsin(7pi/8)# #=1/2*1*6*sin(pi-pi/8)# #=3*sin(pi/8)=1.148squnit# Answer link Related questions How do you find the area of a triangle with 3 sides given? What is the area of a equilateral triangle with a side of 12? How do you find the area of a triangleABC, if #angleC = 62^@#, #b = 23.9# , and #a = 31.6#? How do you find the area of a triangleGHI, if #angleI = 15^@#, #g = 14.2# , and #h = 7.9#? What is Heron's formula? When do you use Heron's formula to find area? How do you find the area of a triangle ABC, if #a = 23#, #b = 46# , and #c = 41#? Question #f2e4c How do you find the area of the triangle given c= 4, A= 37 degrees, B= 69 degrees? How do you find the area of the triangle given C=85 degrees, a= 2, B= 19 degrees? See all questions in Area of a Triangle Impact of this question 1329 views around the world You can reuse this answer Creative Commons License