Question

Q20. AB and CD are respectively the smallest and
longest sides of a quadrilateral ABCD
Show that AAC and B>D​

Answer 1

Step-by-step explanation:

Given:

AB is the smallest side (1)

CD is the longest side (2)

To prove:

Angle A > Angle C and Angle B > Angle D

Proof:

Join A and C and mark the angles

In Angle ABC,

BC > AB

Therefore

angle 1 > angle 2