3 years ago

Determine the value of b in the given figure.

1 answer:

3 0

The other two angles are 72 degrees and 32 degrees respectively.

72 + 32 = 104 so the total of the two known angles is 104 degrees.

All triangles add up to 180 degrees.

180 - 104 = 76, so be is equal to 76 degrees.

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