Can someone please help, ty!!
(Will mark brainliest)

True or false? a triangle can be circumscribed about a given circle

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.