Math Is Fun Forum

harrychess

Member

Registered: 2014-04-04

Posts: 33

Geometry Problem

Point X is on side

of

such that

, and

. Find

in degrees.

anonimnystefy

Real Member

From: Harlan's World

Registered: 2011-05-23

Posts: 16,049

Re: Geometry Problem

Hi harrychess

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“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

ElainaVW

Member

Registered: 2013-04-29

Posts: 580

Re: Geometry Problem

Hello:

Last edited by ElainaVW (2014-06-12 08:43:43)

Bob

Administrator

Registered: 2010-06-20

Posts: 10,621

Re: Geometry Problem

hi harrychess

Here's how I have done this:

Let AXB = ABX = a
and XBC = b

Now work out all the other angles in terms of a and b

CAB = 180 - 2a
CXB = 180 - a
XCB = a - b

Now use the given information and you'll get b easily.

Bob

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Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob