Question

if the sides of the triangle are 18 cm, 24 cm, 30 cm. find the area of the triangle​

Answer 1

Answer:$21 {6m}^{2}$

Step-by-step explanation:$perimeter = 18 + 24 + 20 \\ = )72cm \\ = )s = \frac{perimeter}{2} \\ = ) \frac{72}{2} \\ = )36cm$

USING HERONS FORMULA:-

$\sqrt{s(s - 18)(s - 24)(s - 30)} \\ = ) \sqrt{36(36 - 18)(36 - 24)(36 - 30) } \\ = ) \sqrt{ 36 \times 18 \times 12 \times 6 } \\ = ) \sqrt{46656} \\ = )216 {cm}^{2}$

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