Math, asked by abhimanyukumar3150, 2 months ago

एक त्रिभुज का क्षेत्रफल ज्ञात कीजिए जिसकी भुजाए 21cm,20cm और 13cm है

Answers

Answered by neetugarg3678

1

Answer:

54 cm

Step-by-step explanation:

Perimeter of a triangle = Sum of all sides

= 21 + 20 + 13

= 54 cm

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