Question

Sides of a triangle are 45 cm ,39 cm and 42cm. find its area​

Answer 1

Step-by-step explanation:

Sides of a triangle are 45 cm, 39 cm and 42 cm.

Here, a = 45cm, b = 39cm, c = 42cm Semi perimeter of triangle = s = (1/2) (a + b + c) = (1/2) (45 + 39 + 42) = 126/2 = 63 Area of a triangle ∴ The area of the triangle is 756 sq.cmRead more on Sarthaks.com - https://www.sarthaks.com/856283/sides-of-a-triangle-are-45-cm-39-cm-and-42-cm-find-its-area

Answer 2

Step-by-step explanation:

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