3 years ago

ABCD is a parallelogram.Find angle CBD.

Mathematics

1 answer:

qwelly [4]3 years ago

5 0

9514 1404 393

Answer:

81°

Step-by-step explanation:

Opposite angles of a parallelogram are congruent. The sum of the two angles at B is the same as the value marked at D.

∠CBD = 139° -58° = 81°

_____

<em>Additional comment</em>

The angles at A and C are both 41°, the supplement of the one marked 139°.

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