Mathematics

Mathematics

Problem

In

\triangle PQR

, point

S

is on

PQ

and point

T

is on

PR

such that

ST

is parallel to

QR

. If

PS = 4\,\text{cm}

,

PQ = 10\,\text{cm}

and

PR = 15\,\text{cm}

, find

PT

. a)

9\,\text{cm}

b)

4\,\text{cm}

c)

6\,\text{cm}

d)

10\,\text{cm}

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