Exemplar example problems II — task. Mathematics CBSE, Class 10.

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$P$ and

$Q$ are the points on the sides

$DE$ and

$DF$ of a triangle

$DEF$ such that

$DP = 5 \ cm$ ,

$DE = 15 \ cm$ ,

$DQ = 6 \ cm$ and

$QF = 18 \ cm$ . Is

$PQ || EF$ ? Give reasons for your answer.

2. It is given that

$\Delta FED \sim \Delta STU$ . Is it true to say that

$\frac{DE}{ST} = \frac{EF}{TU}$ ? Why?

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22. Exemplar example problems II