Question

Find the area of triangle whose sides 13 cm,14 cm and 15,cm.also find the height of the triangle corresponding longest side.

Answer 1

this is Ur Required result

Answer 2

area of triangle sides are =13cm,14cm,15cm

height of a triangle =11.2cm

calculating area of a triangle

let a =13cm,b=14cm,c=15cm

S=1/2(a+b+c)

S=1/2(42)

S=1/2×42=21

therefore,S=21

Now,

(s-a)

21-13=8

(s-b)

21-14 =7

(s-c)

21-15=6

therefore,

area of triangle =^s(s-a)(s-b)(s-c)

^21×8×7×6=^7056

=84cm SQUARE

Area =(1/2×base×height)

Now ,

we don't have height

so, calculating to height

height =168/5=11.2 cm