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given: rt || sp, rq ≅ qp, rp bisects st at q
prove: δrqt ≅ δpqs

tamir is working to prove the triangles congruent using sas. after stating the given information, he states that tq ≅ qs by the definition of segment bisector. now he wants to state that ∠rqt ≅ ∠pqs. which reason should he use?

SAS theorem states that if two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then these two triangles are congruent.

1. RQ ≅ QP (given)

2. If RP bisects ST at Q, then  TQ ≅ QS (by the definition of segment bisector).

3. ∠RQT,  ∠PQS are vertical angles (angles that are vertically opposite to each other when lines PR and ST intersect, Q is the common vertex).

∠RQT ≅ ∠PQS  (by the vertical angles theorem).

Vertical angles theorem  states that vertical angles are always congruent.

According to SAS theorem, ΔRQT ≅ ΔPQS.

vertical angles theorem

2

step-by-2step explanation:

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles