Answer:
72°
Step-by-step explanation:
==>Given:
∆ABC
AB = Opposite side length = 9
AC = Adjacent side length = 3
==>Required:
The measure of angle B
==>Solution:
Since ∆ABC is a right angled triangle, and we are given two sides (opposite and adjacent sides), to find m<B, we'd use the trigonometry formula tan B = Opposite/Adjacent.
Thus,
tan B = 9/3
tan B = 3
B = tan^-1(3) = 71.5650512°
<B to the nearest degree ≈ 72°
Answer: A. its basically symmetry
B. I don't know
9
Use angle summation:
∠HGE + ∠EGF = ∠HGF
3x + 11 + 110 = 16x + 4
117 = 13x
x = 9
