First you need to know that the internal angles of a triangle always equals 180°. Therefore:
15+45= 90°
Then since the angles should equal 180, you do:
180-90=90
So the missing angle equals 90°
Answer:
1,2,5,10
Step-by-step explanation:
Do you mean factors? If so, these are the factors of ten.
Answer:
b
Step-by-step explanation:
The simplify answer is 550.
