What is the 3rd positive coterminal angle of -200°?
O 880°
O 700°
0 505°
O 475°

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

Having a hard time understanding this question (see attachment).

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?