Math Is Fun Forum

aly

Guest

geometry

i have a few!!

1.  G is the midpoint of median XM of triangle XYZ. Point H is the midpoint of XY, and point T is the intersection of HM and YG. Find the area of triangle MTG if [XYZ] =150.

2. Points D, E, and F are the midpoints of sides BC, CA, and AB, respectively, of triangle ABC. Points X, Y, and Z are the midpoints of EF, FD, and DE, respectively. If the area of triangle XYZ is 21, then what is the area of triangle CXY?

3.  Points D, E, and F are the midpoints of sides BC, CA, and AB, respectively, of triangle ABC respectively, and CZ is an altitude of the triangle. If angle BAC = 71, angle ABC = 39, and angle BCA = 70, then what is angle EZD+angle EFD in degrees?

thanks!!

ShivamS

Member

Registered: 2011-02-07

Posts: 3,648

Re: geometry

Hello.

What have you tried so far or what do you think might be relevant information for answering the questions?

Last edited by ShivamS (2014-05-23 09:06:43)