Ask Uncle Colin: A Triangle That’s Not As Nice As It Looks | Colin

Ask Uncle Colin is a chance to ask your burning, possibly embarrassing, maths questions — and to show off your skills at coming up with clever acronyms. Send your questions to colin@flyingcoloursmaths.co.uk and Uncle Colin will do what he can.

Dear Uncle Colin,

I need to find an angle! ABC is a triangle with median AD, while angles BAD and CAD are 110º and 20º, respectively. What’s angle ACB?

— Angle Being Evasive, LOL

Hi, ABEL, and thanks for your question! Even if you’ve used degrees. For heaven’s sake, get a grip.

I’d start by drawing a picture, which you can do yourself1,…

Continue reading at:
http://ift.tt/2kqb6As

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s