IN THE FIRST VIDEO,HOW CAN ar(abcd) - 1/2 ar(abcd) be subtracted plzz clear my - Maths - Areas of Parallelograms and Triangles

Question

IN THE FIRST VIDEO,HOW CAN ar(abcd) - 1/2 ar(abcd) be
subtracted??? plzz clear my doubt i am not able to understand the
first video

Aakash Sharma · Accepted Answer

Dear Student!

Here is the answer to your query.

Area (ΔAEB) + area (ΔDEC) = Area (ABCD) – Area (ΔEBC)

= Area (ABCD) $- \frac{1}{2}$ area (ABCD)

= Area (ABCD) $(1 - \frac{1}{2})$

= $\frac{1}{2}$ area (ABCD)

Cheers!

IN THE FIRST VIDEO,HOW CAN ar(abcd) - 1/2 ar(abcd)..be subtracted???..plzz clear my doubt..i am not able to understand the first video...