The measure of m∠D will be 36 degrees
A triangle is a shape with 3 sides and angles
For the △BCD, since the side DB ≅ CD, then the base angles will also be equal. This shows that the triangle is an isoscecles triangle.
Given that m∠C = 36 degrees, hence the measure of m∠D will be 36 degrees
Learn more on isosceles triangle here: https://brainly.com/question/1475130