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Question

Find the area of a triangle whose sides are 48cm, 14cm and 50 cm.


  1. 305 cm2

  2. 336 cm2

  3. 265 cm2

  4. 330 cm2


Solution

The correct option is B

336 cm2


Let a = 48cm, b = 14cm and c = 50 cm

semi perimeter s = a+b+c2

                           =48+14+502 = 56 cm.

Area = s(sa)(sb)(sc)

         = 56× 8× 42× 6

         = 8× 7× 8× 7× 6× 6

         = 8 x 7 x 6

         = 336 cm2

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