amilyamh amilyamh

14-04-2020
Mathematics

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Respuesta :

Qwerty1956 Qwerty1956

14-04-2020

Answer:

12

Step-by-step explanation:

90-78=12

complementary angles are on right angles, so yeah.

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anthonyho2003 anthonyho2003

14-04-2020

Answer:

Angle B is 12 degree

Step-by-step explanation:

90-78= 12

Complementary Angels add up to 90 degrees.

Answer Link

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