find the area of triangle ABC each side 15 cm (by heron's formula)
Answers
Answered by
0
approximate 97.105 cm
Answered by
1
Heya,
Here's ur answer:-
The formula is
√s(s-a)(s-b)(s-c)
where a,b,c are sides of the triangle and s is 1/2 perimeter.
So,
Perimeter = 15×3 = 45 cm
s = 45/2 = 22.5
so,
√22.5(22.5-15)³
= √22.5(7.5)³
= √22.5×421.875
= √9492.188
= 97.42786 cm² = 97.42 cm² approx
HOPE IT HELPED (^_^)
Here's ur answer:-
The formula is
√s(s-a)(s-b)(s-c)
where a,b,c are sides of the triangle and s is 1/2 perimeter.
So,
Perimeter = 15×3 = 45 cm
s = 45/2 = 22.5
so,
√22.5(22.5-15)³
= √22.5(7.5)³
= √22.5×421.875
= √9492.188
= 97.42786 cm² = 97.42 cm² approx
HOPE IT HELPED (^_^)
Similar questions