If angle 10 and 15 are congruent ( the same) that would mean lines a and b would need to be parallel with each other because that have the same angles.
The answer ic C.
Answer:
C. lines a and b
Step-by-step explanation:
Angles ∡10 and ∡11 are congruent.
Also, angles ∡15 and ∡14 are congruent.
If ∡10 and ∡15 are congruent, it means that all of four angles ∡10, ∡11, ∡14, ∡15 are congruent.
That also means that ∡9, ∡12, ∡16 and ∡16 are congruent:
∡9=180°-∡10 and ∡13=180°-∡15
Since ∡10 and ∡15 are congruent, it yields that ∡9 and ∡13 are congruent.
Same argument for ∡12 and ∡16.
Therefore, lines a and b are parallel.
y = x - 8
In order to solve this, we need to use point-slope form.:
y - y1 = m(x - x1)
Substitute the numbers into the equation:
y - (-8) = 1(x - 0)
y + 8 = x
1. 66
2. -36
3. 10
4. 1
median is 148 i beleive
4ㅈr² is formula
so
4 × ㅈ× (16)²
= 1024ㅈ cm²
