if m∠ace = 55°, then m∠dcb = ?°
if m∠ace = 55°, then m∠dcb = ?°
Answer
Explanation:
Step1: Identify vertical - angles
$\angle ACE$ and $\angle DCB$ are vertical angles.
Step2: Apply vertical - angle property
Vertical angles are equal. So $m\angle DCB=m\angle ACE$.
Answer:
$55$