#1**+1 **

It is tangent IF the angle at B is a right angle......know how to tell ?

Pythagorean therom....if it IS a right triangle then

21^2 + 20^2 = 29^2 does it? Find out !

ElectricPavlov Jan 30, 2020

#3**+1 **

Yah it is ! 21^2 + 20^2 = 29 ^2

SO there IS a right angle at B which means AB is tangent......

ElectricPavlov
Jan 30, 2020