Question

Find the area of triangle of sides 26cm, 28 cm, and 30 cm.
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

HI FRIEND

Step-by-step explanation:

WE know by heron's formula

root(s*(s-a)*(s-b)*(s-c)) = area, where s= semi perimeter

s=(a+b+c)/2 , where a,b,c are the sides of the triangle

s=(26+28+30)/2 cm

s=84/2 cm

s=42 cm

so area = root(42*(42-26)*(42-28)*(42-30)) cm square

area= root(6*7*4*4*2*7*3*4) cm square

area=6*7*4*2 cm square

area=336 cm square

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