Plz help!!! I’ll give 10 points to the first person to give me a correct answer...I need to get my grade up before the end of the semester

Plz help Ill give 10 points to the first person to give me a correct answerI need to get my grade up before the end of the semester class=
Relax

Respuesta :

Answer:

A= 30

B= 60

C= 90

Step-by-step explanation:

A is already shown.

B has a right angle making it 90 degrees.

A triangle is 180 degrees 30+90= 120

180-120=60