Question

triangle ABC has sides of length 5 cm ,6 cm and 7 cm. The perimeter of triangle DEF is 360 cm . If triangle ABC ~ triangle DEF then ratio of perimeter of triangle ABC and triangle DEF is
A)1:2
B)2:1
C)1:20
D)20:1​

Answer 1

Perimeter of the triangle ABC=5+7+6

=18 cm

Ratio of triangle ABC to triangle DEF = 18/360 =1:20

so option c is the correct answer

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Answer 2

Step-by-step explanation:

Perimeter of ABC is 18 cm and perimeter of DEF is 360 cm so ratio is 1:20