Online Course Discussion Forum

Geometry I-B

 
 
Picture of Kevin wei
Geometry I-B
by Kevin wei - Thursday, September 30, 2021, 3:10 PM
 

Please give a clue for Question 3.23.

I fill there is not enough condition to solve problem

 
Picture of John Lensmire
Re: Geometry I-B
by John Lensmire - Thursday, September 30, 2021, 3:57 PM
 

As a hint, there's a reason that you're asked to calculate the sum of angles B and D. You actually do not have enough information to calculate them separately, but you can find their sum.

Can you find a triangle that contains these two angles? How might that help?