Compare Angles D and ACB: Geometric Diagram Analysis with 40° Measurements

Question

According to the diagram, fill in the missing sign:

Angle D ? angle ACB.

00:00 Complete the missing sign

00:04 Angle size according to the given data

00:10 Angle size according to the given data

00:15 And this is the solution to the question

We can observe from the drawing that angle D is equal to 40 degrees,

We are also given that angle ACB is equal to 40 degrees. Therefore:

$D=ACB$

$=$