This website explains it http://users.ipfw.edu/maloney/Game%20of%20Sci/Intro%20Stud%20to%20the%20Game%20of%20Sci.pdf
Vertical Angles: Theorem and Proof
Theorem: In a pair of intersecting lines the vertically opposite angles are equal. It can be seen that ray \overline{OA} stands on the line \overleftrightarrow{CD} and according to Linear Pair Axiom, if a ray stands on a line, then the adjacent angles form a linear pair of angles.
Slope = (3 -1)/ (-2 -0)
slope = 2/-2
slope = -1
y intercept b = 1
so equation
y = -x + 1
answer
y = -x + 1
hope it helps
Answer:
See explanation
Step-by-step explanation:
1) Given
2) Given
3) Opposite angles are congruent
4) SAS
5) If two triangles are congruent, all their corresponding sides are equal.
We know that
the law of sines established
a/sin A=b/sin B--------sin A=[a*sin B]/b
a=4.5 cm
b=6 cm
B=35°
so
sin A=[4.5*sin 35°]/6-----> sin A=0.43018
A=arc sin(0.43018)-------> A=25.5°
the answer is the option
<span>C) 25.5° </span>
