Question 4 explain how u got it ?

Attachment image

3 Answers

Relevance
  • 1 month ago

    The area of the shaded part of each figure:

    a) 

    8.4^2 - 4.2^2 pi = 15.1423055907 m^2

    b) 

    9 pi cm^2 = 28.2743339 cm^2

    • Login to reply the answers
  • rotchm
    Lv 7
    1 month ago

    a) Whats the area of the square?

    • Login to reply the answers
  • 1 month ago

    You know how to work out the area of a square (l x d) and you know how to work out the area of a circle (pi x r2).  Simply remove the area of the circle from the area of the square.

    Hint: the radius is half the diameter.

Still have questions? Get your answers by asking now.