Angles `Q and R` of a `DeltaPQR` are `25^@ and 65^@.` Write which of the following is true : (i) `PQ^2+QR^2=RP^2` (ii) `PQ^2+RP^2=QR^2` ( iii) `RP^2+QR^2=PQ^2`

Angle Q and R of a trianglePQR are 25^@ and 65^@ Write which of the following is true: PQ^2+QR^2 = RP^2

Angle Q and R of a DeltaPQR are 25^(@) and 65^(@) . Write which of the following is true (i) PQ^(3) + QR^(2)= RP^(2) (ii) PQ^(2) + RP^(2)= QR^(2) (iii) RP^(2) + QR^(2)= PQ^(2)

Angles Q and R of a trianglePQR are 25^o and 65^o . Write which of the following is true: PQ^2+RP^2=QR^2 .

Angles Q and R of a trianglePQR are 25^o and 65^o . Write which of the following is true: 1.PQ^2+QR^2=RP^2

Angles Q and R of a trianglePQR are 25^o and 65^o . Write which of the following is true: RP^2+QR^2=PQ^2 .

M and N are the mid-points of the sides QR and PQ respectively of a DeltaPQR , right-angled at Q. Prove that : (i) PM^(2)+RN^(2)=5MN^(2) (ii) 4PM^(2)=4PQ^(2)+QR^(2) (iii) 4RN^(2)=PQ^(2)+4QR^(2) (iv) 4(PM^(2)+RN^(2))=5PR^(2)

Find the degrees of the following polynomials 7p^2qr+2pq^2+3qr^2+4rp^2

Draw the following triangles . in Delta PQR, PQ = 5cm , QR = 6cm " and " RP = 8.2 cm

In DeltaPQR, /_Q = 90^@ and QM is perpendicular to PR. Prove that : PQ^2 + QR^2 = PR^2

In DeltaPQR and DeltaDEF , (PQ)/(DE)=(QR)/(EF)=(RP)/(FD) . Then which one of the following is correct?