Question

the perimeter of a triangle is (17x-12) cm .it's two sides are (x-5)cm and (7x+5) long find the third side
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The one who will give correct answer and fastly I will mark him/her as brainliest
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and imp please give fast answer
if wrong ans u are bot

Answer 1

Answer:

x is 1.5cm

Step-by-step explanation:

let x be the 3rd side of the triangle...

Perimeter of a triangle is 17x-12...given

I.e. s1 + s2 + s3

(x-5)+(7x+5)+(x) = 17x-12

9x = 17x-12

12 = 17x-9x

12 = 8x

x = 12/8

x = 3/2 I.e. 1.5cm

plz mark this answer as the brainliest