Angle 1 and Angle 2 create a supplementary angle (180 degrees)
Angle 1 + Angle 2 = 180
180 - 78 - 55 = 47° (Angle 2)
180 - 47 = 133° (Angle 1)
Question 4:
If you add an exterior angle and adjacent interior angle, it will add up to be 180°. If we were to divide in half (180 / 2 = 90). A right angle is an angle that measures 90°. Thus, proves that we can work it out with two right triangles.
(x + 3) (x + 2) = 0 To solve it, the most appropriate technique is: 1.) zero product property The solutions are: (x + 3) = 0 x = -3 (x + 2) = 0 x = -2
x² + 6 = 31 To solve it, the most appropriate technique is: 2.) square root property x² = 31-6 x² = 25 x = +/- root (25) x = +/- 5 The solutions are: x = 5 x = -5