CBSE BOARD X, asked by riya9763, 1 year ago

In the given figure,STparallelRQ,PS=3cm and SR=4cm.find the ratio of the area of triangle PST to the area of triangle PRQ

Answers

Answered by sofiaroy
0
where is the fig??plz send the fig first
Answered by shakeeb101
0

Answer:

9:49

Step-by-step explanation:

Given

ST || RQ

PS= 3 cm

SR = 4cm

Proof :--

ar(∆PST) /ar(∆PRQ) = (PS)²/(PR)²

ar(∆PST) /ar(∆PRQ) = 3²/(PS+SR)²

ar(∆PST) /ar(∆PRQ) = 9/(3+4)²= 9/7² = 9/49

Hence, the required ratio ar(∆PST) :ar(∆PRQ) = 9:49

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