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Please help I'm struggling with math and I need some clarity from someone

Please help I'm struggling with math and I need some clarity from someone-example-1
User Show
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Since PS = RS, the triangle PRS is isosceles. This means the angles SPR and SRP are congruent.

The interior angles of any triangle sum to 180° in measure. So we have

∠SPR + ∠SRP + 90° = 180°

2 ∠SPR + 90° = 180°

2 ∠SPR = 90°

∠SPR = a = 45°

User TheBasicMind
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