If TP and TQ are two tangents to a circle with centre O so that ∠POQ=120⁰, then what is the measure of ∠PTQ?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

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.

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm