Question

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

Answer 1

please refer to the attachment

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Answer 2

Answer:

pehle triangle Ka formula lga Kar triangle ki third side find kare

Step-by-step explanation:

third side find krne k baad perimeter Ka semi perimeter Nikal le (formula )=perimeter/2

es k baad herons formula lga de √s(s-a)(s-b)(s-c)

es me s hamara semi perimeter hai