ABCD is a parallelogram and O is any point in its interior . Prove that : i)ar(∆AOB)+ar(∆COD)=ar(∆BOC)+ ar(∆AOD) ii) ar(∆AOB)+ ar(∆COD)= 1/2ar(||gm ABCD)

ABCD is a parallelogram and O is any point in its interior . Prove that : i)ar( $∆ A O B$ )+ar( $∆ C O D$ )=ar( $∆ B O C$ )+ ar( $∆ A O D$ ) ii) ar( $∆ A O B$ )+ ar( $∆ C O D$ )= 1/2ar(||gm ABCD)

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.