rapaf51219 rapaf51219

27-07-2020
Mathematics

contestada

please help Find: ∠a ∠b ∠c

please help Find a b c class=

Respuesta :

penguano4 penguano4

27-07-2020

Answer:

A-40

B-140

C-140

Step-by-step explanation:

b and c are supplementary angles to angle 40.

Therefore 180-40= 140.

and opposite angles in a quadrilateral are congruent to each other.

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