Question

name two obtuse vertical angles
110°
r t e
s
l
n
∠rts & ∠nte
∠ste & ∠nts
∠rtn & ∠ltn
∠rtl & ∠ste

Explanation:

Step1: Recall vertical - angle definition

Vertical angles are formed when two lines intersect. They are opposite each other and are congruent.

Step2: Identify obtuse vertical angles

An obtuse angle is an angle with a measure greater than 90° and less than 180°. In the given figure, \(\angle RTS\) and \(\angle LTE\) are vertical angles. Since \(\angle RTS = 110^{\circ}\) (given), \(\angle LTE=110^{\circ}\) as vertical angles are congruent.

Answer:

\(\angle RTS\) and \(\angle LTE\)