danielahchf danielahchf

12-11-2018
Mathematics

contestada

A circle has a diameter of 10 cm.

What is the area of the circle? Use 3.14 for π. Round your answer to one decimal place.

Respuesta :

jimrgrant1 jimrgrant1

12-11-2018

area = 78.5 cm²

The area ( A) of a circle = πr² ( where r is the radius )

here diameter = 10 cm ⇒ r = [tex]\frac{10}{2}[/tex] = 5

A = 3.14 × 5² = 78.5 cm²

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