find the unknown marked angle in each triangle
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Answered by
1
Answer:
63degree +70degree +a=180degree (angle sum)
a=180degree - (63degree+70degree)
a=180degree - 1 33degree
a=47degree
............
Answered by
4
Answer:
a=47°
Step-by-step explanation:
The addition of all the angles of a triangle =180°.So 63°+70° =133°.So 180°-133°=47°.So a=47°
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