solve fast plz. Find the area of triangle two sides of which are 8cm and 20cm and the perimeter is 42cm. dont give irrelevant

Question

solve fast plz. Find the area of triangle two sides of which are 8cm and 20cm and the perimeter is 42cm. dont give irrelevant answers plz ❤️​

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Liliana 3 hours 2021-11-24T22:44:25+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-11-24T22:45:31+00:00

    Answer

    82,014 sq cm

    Step-by-step explanation:

    Perimeter = 42cm

    side A = 8cm

    side B = 20cm

    side C = perimeter – side A + side B = side C

    = 42 – (8 + 20)

    = 14cm

    Area = 82,014 sq cm

    Hope it helps you

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    0
    2021-11-24T22:46:05+00:00

    Step-by-step explanation:

    area of triangle by herons formula given two sides 8,20,14 cm

    area =√s(s-a)(s-b(s-c)

    area =√21(13)(1)(7)

    area =7√39 cm²

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