the sides of a triangle are in the ratio 5:12:13 and it's perimeter is 150cm.find the area of the triangle
Answers
Step-by-step explanation:
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Answer:
let the side of the triangle be 5x, 12x and 13x.
A.T.Q
5x+12x+13x=150cm
30x=150
x=150/30
x= 5
so the three side of a triangle= 5×5=25
12×5= 60, 13×5=65
so, semiperimeter,s= 150/2=75
The area of the triangle=√75(75-25)(75-60)(75-65)
✓75×50×15×10=750
Hence the area of the triangle is 750degree
Step-by-step explanation:
The side are give in ration from ratio I get the actually value as perimeter is given and we know that the sum of three side of a triangle =perimeter.
and by putting the herons formula I got the area of the triangle.
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