Perform any one the following activities:
In the adjoining figure , seg PM is a median . Prove that `A(DeltaPQM)=A(DeltaPRM)`

In the adjoining figure , seg PQ || AB. Seg PR || seg BD. Prove that QR||AD.

In the adjoining figure, chord AB ~= chord CD . Prove that arc AC ~= BD

Perform any one the following activities: In the adjoining figure , DX = 4 , DE = 8 , FY = 6 , OF = 12 . Complete the follwing activity to prove that seg XY || seg EF.

In the adjoining figure , seg ML || seg BC , seg NL || seg DC. Prove that AM : AB = AN: AD .

Atempt any two of the following : In the adjoining figure , in the adjoining figure , in Delta ABC, A-P-Band A-Q-C "Prove that " (A(DeltaAPQ))/(A(DeltaABC))=(APxxAQ)/(ABxxAC)

In the adjoining figure, seg BD bot "side" AC, C-D-A. "Prove that" : AB^(2) = BC^(2) + AC^(2) - BC.AC

In the adjoining figure , Delta PQR is an equilateral triangle. QR = RN . Prove that PN^(2) =3PR^(2)

In the adjoining figure, seg DE|| side BC . If DE : BC =3: 5 , then find A(DeltaADE):A(DeltaDBCE)

In the adjoining figure , PM=10"cm"A(DeltaPQS)=100" sq cm" A(DeltaQRS)=110" sq cm" then find NR.