Question

if the sides of a triangle are 8m,9m,13m find the area of the triangle​

Answer 1

Answer:

A=35.5msq2

A=Side

B= Base

C= side

Step-by-step explanation:

A= s( s-a) (s-b) (s-c)

s= a+b+c/2

A= 1/4 - a sq4 +2 (a b)sq2 (a c)sq2 - bsq4+2(b c)sq2- c sq4

1/4• -8sq4+2• (8•9)sq2 +2• (8•13)sq2 -9sq4 +2 (9•13)sq2 -13sq4

=35.49648m sq2

Hope it will Help you Army.......

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Answer 2

By working in groups,teaching,and helping each other,children

→ 3)are able to reflect on their own thought processes and shift to a higher level of cognitive activity.