Question

4. A ∆ PQR right angled at has PQ = 8 cm and
QR = 15 cm. It is enlarged to a triangle P'Q'R' such
that the image of P is P'. image of Q is Q'. image of
R is R' and length of P'R' = 42.5 cm. Find
the scale (enlargement factor);
(ii) the lengths of P'Q' and Q'R';
(iii) the area of ∆ PQR and hence area of image
triangle P'Q'R​

Answer 1

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