bcalda32 bcalda32

09-02-2021
Mathematics

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plzzz help ! if you could do a step by step ill mark brainliest

plzzz help if you could do a step by step ill mark brainliest class=

Respuesta :

14-02-2021

Answer:

m∠ABU = 70°

Step-by-step explanation:

By applying angle addition postulate,

m∠ABC = m∠UBC + m∠ABU

145° = 75° + m∠ABU

m∠ABU = 145° - 75°

m∠ABU = 70°

Therefore, measure of angle ABU is 70°.

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