Question

4. Find the area of the triangle whose sides are
(1) 26 cm, 28 cm, 30 cm
(ii) 48 cm, 73 cm, 55 cm
(iii) 21 cm, 20 cm, 13 cm
(iv) 7.5 cm, 18 cm, 19.5 cm
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Answer 1

Answer:

(I)112896

(ii)1742400

(iii)15876

(iv)1161843.75