Question

find the area of a triangle with perimeter 22cm , one side is 9 cm and difference of other two sides is 7 cm​

Answer 1

Step-by-step explanation:

Given :-

☆ Perimeter of Triangle = 22 Cm

One Side = 9 Cm

Let One Side be x

Another Side be Y

[if x>y]

Then,x-y =7--------------------(i)

$\rule {200} {2}$

We, know That

Perimeter Of ⛰ Triangle =Sum Of All sides.

Then,

★ 9 + x + y= 22 Cm

★ x + y= 22-9 Cm

★ x+y= 13 Cm

From (i) equation [x=7+y]

☆ 7+y+y= 13 cm

☆ 2y = 6

$\large {\underline{\underline {\bold {\pink { Y= 3\:One\:side\: is \: of\:3\: cm}}}}}$

Then,

$\large {\underline{\underline {\bold {\red { x= 10\:Another \:side\: is \: of\:10\: cm}}}}}$

$\large \because {x= 7+y\: ( x=7+3) }$

$\rule {200} {2}$

Thank You.

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