princesspayton9 princesspayton9

08-02-2016
Mathematics

contestada

The measure of Angle B is 68° what is the measure of it supplementary angle
a. 22°
b. 90°
c. 112°
d.180°

Respuesta :

JvitorBR JvitorBR

08-02-2016

Hi

A = 180º-B
A = 180º-68º
A = 112º

Answer: c) 112º

Answer Link

08-02-2016

"Supplementary angles" means two angles that add up to 180°.

   (Any angle) + (its supplement) = 180° .

   (Angle B) + (its supplement) = 180° .

      (68°) + (its supplement) = 180°

Subtract (68°) from each side: Its supplement = 180° - 68°

      = 112° .

Answer Link

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