Question

What is the value of
∠FDE given the following image?

Answer 1

Right angle =90°

Explanation:

: 2x°+(x+9)°=90°

=2x°+x°+9°=90°

=3x°+9°=90°

=3x°=90°-9°

=3x°=81°

=x°=81°/3

=x°=27°

therefore FDE =(27+9)°

=36°