4 years ago

Im dumb so help me out here 50 points each Click on the image to enlarge

Mathematics

1 answer:

antiseptic1488 [7]4 years ago

8 0

Answer:

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°, that is

∠ 1 + ∠ 2 + ∠ 3 = 180°

Given ∠ 1 + ∠ 2 = 134°, then

134° + ∠ 3 = 180° ( subtract 134° from 180° )

∠ 3 = 46° → D

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