MCQ1 markYear: 2023EasyCBSE Class 10
trianglessimilarityperimeter-ratio
Question
If △PQR∼△ABC; PQ=6 cm, AB=8 cm and the perimeter of △ABC is 36 cm, then the perimeter of △PQR is
Solution
1
Since △PQR∼△ABC, Perimeter of △ABCPerimeter of △PQR=ABPQ=86=43. Perimeter of △PQR=43×36=27 cm.
+1 mark