Start by writing all of the congruence statements for the angles.
m∠R=145^(∘)
Practice makes perfect
We are given that W X Y Z≅ P Q R S. Using this congruence relationship, we will find the measure of ∠R. First, we can identify each pair of congruent angles.
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∠W≅ ∠P & ∠X≅ ∠Q
∠Y ≅ ∠R & ∠Z≅ ∠SSince ∠Y≅ ∠R, we know that m∠Y = m∠R. Let's look at the relevant information on the given diagram.
Finally, we can determine the measure of ∠R using the known measurements.
m∠Y = 145^(∘) ⇒
m∠R= 145^(∘)
