Math, asked by parul02, 11 months ago

Find the area of triangle whose two sides of which are 18cm and 10cm and it's prime is 42cm

please solve it....

parul02: sorry it's not prime it's perimeter

PriteshBang: hii

Answers

Answered by anand032004

Answer:

what is prime i can't understand

parul02: sorry i marked another one

anand032004: okk

parul02: sorry

anand032004: can you ask another like this

parul02: okay in comment or as question

anand032004: as question

parul02: okay

parul02: go and give the answer

arya022: plz leave me

parul02: oh sorry

Answered by arya022

Answer:

Given a=18cm b=10cm

and perimeter =42 cm

semiperimeter =perimeter/2

s=42/2

s=21

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