2 years ago

ZABD and ZDBC are supplementary angles.

Mathematics

2 answers:

aleksley [76]2 years ago

5 0

<h2>Answer:</h2>

<u>By supplementary angle property</u>,

x + 78° = 180°

x = 180° - 78°

<u>x = 102°.</u>

blagie [28]2 years ago

4 0

x=102°

Answer:

x+78=180 supplementary angle

x=180-78=102

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