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The area of the triangle is expressed as 2.718cm²

Area of a triangle

The formula for calculating the area of a triangle is expressed as:

A = 0.5absinФ

  • a and b are the sides
  • Ф is the angle

Given the following

  • p = 2.5 cm
  • n = 2.3 cm and;
  • ∠O=71°

Substitute the given parameters to have:

Area = 0.5(2.5)(2.3)sin71

Area = 2.718cm²

Hence the area of the triangle is expressed as 2.718cm²

Learn more on area of triangle here: https://brainly.com/question/17335144

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