D,E,F are the mid - points of the ides BC,CA, and AB resectively of ∆ABC , prove that BDEF is a parallelogram whose area is half of ∆ABC . Also so that ar(∆DEF)=1/4ar (∆ABC)

D,E,F are the mid - points of the ides BC,CA, and AB resectively of $∆ A B C$ , prove that BDEF is a parallelogram whose area is half of $∆ A B C$ . Also so that ar( $∆ D E F$ )=1/4ar ( $∆ A B C$ )

Mixed-up sentence exercise

Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.