Respuesta :

Answer:

72 answer D

Step-by-step explanation:

because if you multiply the 2x with the x you give it to the 5 power of 2

Answer:

54°

Step-by-step explanation:

We know that a flat line= 180° and ∠ABC is 90° which means 2x+2x+x=90°.

Therefore, 5x=90° so x=18°

18*3=54 so your answer is 54°

ACCESS MORE