Question

What are the values of m∠ABC, m∠CBF, m∠ABD and m∠DBE in the given figure? Explain or show your work

Answer 1

Explanation:

All you need is substarcting the angles

cbf=180-72

cbf=108°

dbe=180-90-72

dbe=18°

abd=90° -right angle.

abc=180-18-90

abc=72