The triangle MBF is isosceles triangle, because MB is congruent to MF
So, mAnd we should know that , the sum of the angles of the triangle = 180
So,
So,
Answer:
4.7/5
Step-by-step explanation:
Answer:
A and C
Step-by-step explanation:
ez math
To complete the square, you can add (and subtract) the square of half the x coefficient.
... y = x² -10x + 30
... y = (x² -10x +25) + (30 -25)
... y = (x -5)² +5