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Answer:

its 52.5. I just did it on edge

Step-by-step explanation:

asuwafohjames

The area of the regular polygon is 52.5 in².

What is area?

Area is the region bounded by a plane shape.

To calculate the area of the regular pentagon, we use the formula below.

Formula:

  • A = anL/2............ Equation 1

Where:

  • A = Area of the regular polygon
  • a = Length of apothem of the polygon
  • n = Number of sides of each polygon
  • L = Length of sides of each polygon

From the question,

Given:

  • a = 4.2 inches
  • L = 5 inches
  • n = 5 (pentagon)

Substitute these values into equation 1

  • A = 5×4.2×5/2
  • A = 52.5 in²

Hence, the area of the regular polygon is 52.5 in².

Learn more about area of regular polygon here: https://brainly.com/question/8409681