Find the value of `x` from the given triangle

Find the value of x in the given triangle

3. Find the value of x and y in the given triangle

Find the value of x in each of the given triangles.

Find the value of x in each of the given triangles.

Find the value of tantheta in the given triangle.

Find the value of angleBAC in the given triangle .

Find the value of 'x' in the given figure where triangle ABC ~ triangle ADE .

The angles of a triangle are (x-40^@),(x-20^@),(x/2-10^@) .Find the value of x & then find the angles of the triangle.