Question 57
In the following drawing, the chords $DE$ and $BC$ are perpendicular, with $BC$ a diameter of the circle with center $A$. Moreover, $\angle CGF = 40^\circ$ and $GH = 2\ \mathrm{cm}$.
a) Determine the value of the angle $\angle CHF$.
b) Find the length of $HJ$.
a) Determine the value of the angle $\angle CHF$.
b) Find the length of $HJ$.