Question

lcm of 7/9, 5/6, 11/12, -1/3 and -5/6​

Answer 1

Answer:

Given: An isosceles triangle has Perimeter 30 cm. & each of the equal sides of triangle is 12 cm.

Need to find: The area of the triangle?

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So, we will use Heron's Formula to find the Area of Triangle (let's say ∆ABC).

✇ If the perimeter of given isosceles triangle is 30 cm then the semi perimeter of the isosceles triangle would be 15 cm. i.e ( s ) = 15 cm.