<u>Answer</u>:
x = 20
<u>Explanation</u>:
all the interior angles in the triangle is 180°
<u>therefore</u>:
4x - 17° + 71° + 46° = 180°
4x + 100° = 180°
4x = 180° - 100°
4x = 80°
x = 20°
Answer:
A = 800, B = 200, C = 400 Andy D = 400
Step-by-step explanation:
I hope this helps you
x^2-4x-12
x -6
x +4
(x-6)(x+4)