Mathematics
KendraG
13

If the sum of the measures of ∠1 and ∠2 is 180°, what is the sum of the measures of ∠3 and ∠4? A) 360° B) 120° C) 90° D) 180°

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(1) Answers
octopusbob

in any 4-sided shape, the angles add to 360. if angles 1 & 2 are 180, 3 & 4 are also 180. the answer is D

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