find the area of a triangle two sidesof which are 18 cm and 10 cm and the perimeter is 42 cm
Answers
Answered by
0
A
≈
69.65
cm²
a
Side
cm
b
Base
cm
P
Perimeter
cm
≈
69.65
cm²
a
Side
cm
b
Base
cm
P
Perimeter
cm
Answered by
0
it is by Heron's formula
first find the third side then use this formula
s=perimeter/2
area =√s(s-a)(s-b)(s-c)
where a,b,c are three sides of triangle
first find the third side then use this formula
s=perimeter/2
area =√s(s-a)(s-b)(s-c)
where a,b,c are three sides of triangle
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