onlymyworld27 onlymyworld27

03-02-2019
Mathematics

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PLEASE HELP I WILL GIVE BRAINLIEST!!!!!!!!!!!!!

If m∠A=59 and m∠3=81°, what is m∠B? m∠B= _[blank]_°

PLEASE HELP I WILL GIVE BRAINLIEST If mA59 and m381 what is mB mB blank class=

Respuesta :

meredith48034 meredith48034

03-02-2019

59° + 81°+ x° = 180°

140° + x° = 180°

x = 40°

Answer Link

wegnerkolmp2741o wegnerkolmp2741o

03-02-2019

Answer:

22 = <B

Step-by-step explanation:

The exterior angle of the triangle is equal to the sum of the 2 opposite interior angles

<3 = <A + <B

81 = 59+<B

Subtract 59 from each side

81-59 = 59+<B - 59

22 = <B

Answer Link

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