Answer:
look at picture.
Step-by-step explanation:
every angle in a triangle equals 180° and every straight line equals 180°. So you just take the angles given in each triangle and subtract from 180° to get the total of the 3rd angle.
Answer:
Pythagorean Theorem : a²+b²=c²
a²+38²=42² => a²=1764+1444 => a²=3,208 inch => a=√3,208
=> a=56.64 inch
Step-by-step explanation:


Quadratic formula (

) provides us with the answer that x = 0, and 1.47
Answer:
if your asking what do you have to add to negative 4 to get 16then you add 20 or if your asking what to add to get -4 I will need more info message me or comment
17 25 and 1/2 34. 42 and 1/2