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Yuri [45]
3 years ago
15

Triangle Q R S is shown with exterior angles. Line R Q extends through point D. Line Q R extends through point E. Line Q S exten

ds through point C.
Which angle has a measure equal to the sum of m∠SQR and m∠QRS?


∠RSC

∠SRE

∠DQS

∠QSR

Mathematics
2 answers:
Yanka [14]3 years ago
3 0

Answer:

its going to be qsr just took the test on edg

Step-by-step explanation:

test taken

Oksanka [162]3 years ago
3 0

Answer:

Option A.

Step-by-step explanation:

In triangle QRS, Line R Q extends through point D. Line Q R extends through point E. Line Q S extends through point C as shown below.

We need to find an angle that has a measure equal to the sum of m∠SQR and m∠QRS.

According to the exterior angle theorem, the measure of an exterior angle of a triangle is equal to the sum of measures of two opposite interior angles.

Since ∠SQR and ∠QRS are two interior angles of a triangle QRS, so ∠RSC is the exterior angle of opposite to ∠SQR and ∠QRS.

By using exterior angle theorem we conclude that

m∠RSC = m∠SQR + m∠QRS

∠RSC has a measure equal to the sum of m∠SQR and m∠QRS.

Therefore, the correct option is A.

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