3 years ago

Yo can anybody please help me answer this question

Mathematics

1 answer:

KIM [24]3 years ago

7 0

Answer:

Step-by-step explanation:

by the definition of an isocoles triangle, defined by having two congruent sides, (p-s, r-s), angles SPR and SRP are congruent. by the triangle sum theorem, (internal angles + to 180˚) 90˚ + 2a = 180˚. 2a =90, a = 45

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