Question

In the given figure, if m∠ABD = m∠DBC then m∠ABC = Question 4 options: m∠ABD. m∠DBC. 2(m∠ABD). 3(m∠ABD).

Answer 1

see below

Explanation:

Since m∠ABD = m∠DBC, m∠ABC = m∠ABD + m∠DBC = 2(m∠ABD).