The diagram shows a circle inside a rectangle.... ​
Answer
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semsee45 6 months ago
Светило науки - 3810 ответа - 0 помощи

Answer:

let = height of rectangle

Given:

  • height of rectangle = diameter of circle
  • length of rectangle = 3 × height of rectangle

Therefore,

  • height of rectangle =
  • diameter of circle =
  • radius of circle =
  • length of rectangle =

Shaded area = area of rectangle - area of circle

Area of rectangle = length × height

                             =

                             =

Area of circle =

                       

                       

If the radius = 2 cm, then the diameter () = 4 cm

Substituting into the equation:

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