Math, asked by parusdhanus, 1 month ago

Triangles ABC and DEF are similar and their areas are 144cm2 and 81cm2 respectively. If EF = 8 cm, what is BC ?
2 points
6cm
32/3cm
128/9cm
12 cm

Answers

Answered by jeon36491

10

Answer:

Ratio of areas =144:81

∴ ratio of sides =12:1

Let the longest side be x. Then

36:x=12:9 or x=

12

36×9

=27cm

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