Answer:
5
Step-by-step explanation:
B)75degrees
C)105degrees
because all triangles angles add up to equal 180, and a right triangle has a 90 degree angle. you subtract 90 and 15 from 180 and that number will be the size of the remaining angle
180-90=90
90-15= 75
the answer is B) 75degrees
Negative Reciprocal (definition and example) -
Parallel (definition and a real world example) -