Question

Find the area of a triangle two sides of which are 18cm and 10cm and the perimeter is 42cm.​

Answer 1

Hello❤!!

Side A=18 cm

Side B=10 cm

Side C= 14 cm

=14+18+10/2=42/2

=21

So here,

√s(s-a)(s-b)(s-c)

√3×7 √11

21√11cm^2

Answer 2

Answer:

21 root 11

Step-by-step explanation:

Refer the picture

HOPE IT HELPS

MARK AS BRAINLIEST