Question

find the area of a triangle two side of which are 18 cm and 10 cm and the perimeter is 42 cm​

Answer 1

Answer:

Triangle

Solve for area

A≈69.65cm²

a Side

18

cm

b Base

10

cm

P Perimeter

42

refer to attachment

Answer 2

Answer:

perimeter =18+10+x=42

=x=42-28

=x= 14

Now,

s=7

now, you can find are by heros formula

above answer is wrong because in the question no one side is determined as base