Question

CALCULATION
Given sides of a triangle are 12 cm, 10 cm and 5 cm.
Semi-perimeter of a triangle, s = a+b+c/2 =
Area of triangle by Heron's formula = = ....​

Answer 1

Answer:

a= 12 b=10 c=5

s= a+b+c/2

s=27/2

s=13.5 __________

area of triangle= √s(s-a)(s-b)(s-c)

_____________________

√13.5(13.5-12)(13.5-10)(13.5-5)

_____________

√13.5(1.5)(3.5)(8.5)

________

√602.4375

=24.54

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