2021-11-25

Dare2Solve | Triangle and rectangle inside a parallelogram separated by a diagonal

This question was uploaded on 24/11/21 on social media accounts.

Solution:

Here FM and CD are parallel and also EM and BC are parallel.
Areas of ABC and ACD are same due to diagonal and parallelogram.
FM = 2CD also EM = 2BC
By the above information:
Red area is one-fourth of are of ACD and Blue area is half of area of ABC.
That means Blue Area is twice of Red Area.
So Blue Area = (2)(5) = 10

Previous Post
Next Post

post written by: