Math, asked by vamugsw173, 1 year ago

If sides are 7cm, 24cm, 25cm of a triangle. Area of triangle is...

Answers

Answered by sherrywaseem
7

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Answered by ayushsaxena2
13

Answer:

Step-by-step explanation:

It can be solved by heron's formula

Let all the sides be a,b,c

So,

a = 7cm

b = 24cm

c = 25cm

                                         s = a+b+c

                                                 2

                                            = 7+24+25/2

                                            = 56/2

                                            = 28

                                       Δ = √s(s-a)(s-b)(s-c)

                                           =√28(28-7)(28-24)(28-25)

                                           =√28(21)(4)(3)

                                           =√28(252)

                                           =√7056

                                           =84

Area of triangle = 84 cm²

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