Answer:
4th quadrant
Step-by-step explanation:
quadrant 4 is (+,-)
If AB = CD, then AB/n = CD/n. with mÐa in any expression. If AB = CD, then you may replace CD with AB in any expression. Transitive Property of Equality If mÐa = mÐb and mÐb = mÐc, then mÐa = mÐc. (Brainliest Answer Will be appreciated:D)
Answer:
36.9°
Step-by-step explanation:
The relevant trig relation is ...
Cos = Adjacent/Hypotenuse
cos(x) = 8/10 = 0.8
The inverse trig function is used to find the angle:
x = arccos(0.8) ≈ 36.9°
