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gajula varun

· started a discussion

· 1 Months ago

wrong answer (Question: 115487.0 )

is it perimeter or semi perimeter ?

Question:
The sides of a triangle are in the ratio \(\cfrac{1}{2}:\cfrac{1}{3}:\cfrac{1}{4}\). If the perimeter of the triangle is 52 cm, the length of the smallest side is :
Options:
A)  24 cm
B) 10 cm
C) 12 cm
D) 9 cm
Solution:
Ans: (c)

x/2 + x/3 + x/4 = 52

Multiply  by 12 to get:

6x + 4x + 3x = 12*52

13x = 12*52

x = 48

Smallest side = x/4 = 48/4 = 12 cm

Knowledge Expert

· commented

· 1 Months ago

Dear Student.
We rectified our mistake .
Now you can solve the question.
Correct answer is option C.

Thanks and Regards
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