Question

if 2 sides of triangle are5 and 13 and perimeter Is 30 the find the area of triangle
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Answer 1

height= unknown

Step-by-step explanation:

(let the unknown side be $x$)

perimeter of triangle=S+S+S

30=5+13+$x$

$x$= 30-5+13

 =30-18

 =12

area=1\2*b*h