1.

The vertical reaction for the arch is

A. <img src="/_files/images/civil-engineering/theory-of-structures/95-21-163-1.png">
B. <img src="/_files/images/civil-engineering/theory-of-structures/95-21-163-2.png">
C. <img src="/_files/images/civil-engineering/theory-of-structures/95-21-163-3.png">
D. <img src="/_files/images/civil-engineering/theory-of-structures/95-21-163-4.png">
Answer» B. <img src="/_files/images/civil-engineering/theory-of-structures/95-21-163-2.png">


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