Joke Collection Website - News headlines - There is a triangular wall (pictured) on the exterior wall of the company facing the street, which is damaged. The company leader asked the master to make a circular billboard, which would be broken.

There is a triangular wall (pictured) on the exterior wall of the company facing the street, which is damaged. The company leader asked the master to make a circular billboard, which would be broken.

(1) circumscribed circle radius: r = ab/sinc = 8m,

S circle =64π.

(2) the longest side BC, BC/sinA=AB/sinC,

BC = 8sinA & lt8,

The ∴ circle with the diameter of BC can cover the damaged part and use the least material.