The side of traingular plot are in ratio 3:5:7 and it perimeter is 300 . find it area
Answers
Answered by
4
Answer:
let the sides be 3x, 5x, 7x
ATQ, 3x+5x+7x=300
15x=300
x=300/15
x=20
area =3x*5x*7x
=105x
=105*20
=2000
Answered by
2
Answer:
1500 root 3
Step-by-step explanation:
perimetre=300
side+side+side=300
3x+5x+7x=300
15x=300
x=300/15=20
3x=3×20=60
5x=5×20=100
7x=7×20=140
the triangle has 3 unequal sides
so it is a scalene triangle
area=root over of s (s-a)(s-b)(s-c)
s = a+b+c/2
so
root over of 150×(150-60)(150-100)(150-140)
root over of 150×90×50×10
=1500 root 3
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