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Firdavs [7]
4 years ago
11

Work out xz and qr need asap​

Mathematics
1 answer:
Korvikt [17]4 years ago
8 0

Answer:

see explanation

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal

(a)

\frac{xPR}{XZ} = \frac{PQ}{XY} , substitute values

\frac{6.5}{XZ} = \frac{7.2}{18} ( cross- multiply )

7.2XZ = 117 ( divide both sides by 7.2 )

XZ = 16.25 cm

---------------------------------------

(b)

\frac{QR}{YZ} = \frac{PQ}{XY} , substitute values

\frac{QR}{17} = \frac{7.2}{18} ( cross- multiply )

18QR = 122.4 ( divide both sides by 18 )

QR = 6.8 cm

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