Question

The area of a triangle with sides 11cm, 12cm, and 13cm is.


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Answer 1

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Answer 2

Answer:

61.48cm²

Step-by-step explanation:

S = 11 + 12 + 13 /2 = 18

using herons formula

area = √s(s-a) (s-b) (s-c)

= √ 18 * 7 * 6 * 5

= √ 3780

= 61.48 cm²