Triangle Sides

Geometry Level 2

In a triangle with sides a, b, and c, the equation b + c = 5 a b+c=5a can be created. What is the smallest possible perimeter?


The answer is 12.

Timothy Wong by Timothy Wong , 21, Philippines

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

Timothy Wong
Apr 26, 2014

I just used the guess and check method and got the following:

a = 2 , b = 5 , c = 5 a=2, b=5, c=5

0 Helpful 0 Interesting 0 Brilliant 0 Confused

are you made THE ANSWER SHOULD BE 3 A=0.5 B=1.4 C=1.1

mohit bhatia - 7 years, 1 month ago

How about 1,1,4

Shyam Panchal - 6 years, 11 months ago

Log in to reply

Triangle is not possible as 1+1 is not greater than 4 (triangle inequality property)

Sarthak Singla - 5 years, 7 months ago

I agree Shyam, or maybe 1,2,3

Emerson Mananquil - 6 years, 11 months ago

You ar false, you must type "a,b,c are positive integers"

I Gede Arya Raditya Parameswara - 4 years, 3 months ago

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...