Question

Practice set 15.4 sides of find its triangle are 45cm, 39cm and 42cm area​

Answer 1

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 triangleRead more on Sarthaks.com - https://www.sarthaks.com/856283/sides-of-a-triangle-are-45-cm-39-cm-and-42-cm-find-its-area

please see the attachment also

756 sq. cm

Answer 2

Ans.is 126 oh my God yooooooo