You need to know sum of inner angles of a triangle. Then you can write the equation relating with X
Answer:
8.48528137424
Step-by-step explanation:
Answer:
d. 18a² - 12a
Step-by-step explanation:
f(x) = 2x² + 4x
f(-3a) = 2(-3a)² + 4(-3a)
2(-3a)² + 4(-3a)
2(9a²) + (-12a)
18a² - 12a
Y=4x-3
M of new line = -1/4
y=(-1/4)x+b
3=(-1/4)(-3)+b
3=(3/4)+b
b=9/4
y=(-1/4)x+(9/4)
Answer:
The diagonals are congruent.
Step-by-step explanation: