A few days ago
Having trouble with geometry?
We’re working on properties, definitions, and postulates. It’s asking me which property, definition, or postulate justifies this:
If angle x and angle y are supplementery angles, then m(less than sign)x+m(less than sign)y=180 degrees. What do I do?
Top 2 Answers
A few days ago
Favorite Answer
Had me going for a moment. Those are not less than signs, they are angle symbols. That is read the measure of angle x+ the measure of angle y=180. You should look up the definition of supplementary.
0
A few days ago
Here is something to go on
it is really easy
u have to really study at it
————————————-
1 = cos²(x) + sin²(x)
cos²(x) = sin²(x) – 1
sin²(x) = cos²(x) – 1
——————————
tan(x) = sin(x) / cos(x)
sin(x) = tan(x) * cos(x)
———————————-
tan²(x)=sin²(x) / cos²(x)
sin²(x)=tan²(x) * cos²(x)
————————————
â3/2 = cos(30º) = sin(60º)
————————————-
c² = a² +b² -2 *a *b * (cos(C))
b² = c² +a² -2 *a *c * (cos(B))
a² = c² +b² -2 *c *b * (cos(A))
—————————————–
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