completeplumbing09 completeplumbing09

19-12-2019
Mathematics

contestada

A. 90 degrees
B. 180 degrees
C. 270 degrees
D. 360 degrees

A 90 degreesB 180 degreesC 270 degreesD 360 degrees class=

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TrashmouthTozier TrashmouthTozier

19-12-2019

Answer:

What was the question (I can't see the picture)

Step-by-step explanation:

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marcthemathtutor marcthemathtutor

19-12-2019

Answer:

B. 180 degrees

Step-by-step explanation:

∠A, ∠B and ∠C are collective the internal angles of a triangle.

By definition, the internal angles of a triangle sum to 180degrees

hence ∠A + ∠B + ∠C = 180 degrees

(see also attached graphic for reference)

Ver imagen marcthemathtutor

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