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Find the missing angle measure.

Can someone tell me the answer to this please

Find the missing angle measure. Can someone tell me the answer to this please-example-1
User Zbyl
by
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1 Answer

6 votes

Answer:

sum of all angles of a triangle= 180°

Let angle A be x,

then 63°+90°+x=180°

x=17°

User Cristian Muscalu
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