Study

7.1-2 Circle

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  • The rectangle PQRS is made up of the triangles PQS, QTS and TRS. PS = 10 cm, SR = 7 cm and QT = 6 cm. Find the area of the shaded part.
    49 cm2
  • A circle has a circumference of 65 cm. What is the radius of the circle? Give your answer to one decimal place.
    radius = 10.4 cm
  • Find the Area
    144 cm^2
  • Work out the area of a circle with diameter 7 m.
    38.5 m^2
  • Work out the area of the shape correct to one decimal place (1.d.p.)
    1538.6 mm^2
  • Work out the radius of a circle with area = 55 cm^2 . Give your answer correct to two decimal places (2 d.p.)
    radius= 4.19 cm
  • Work out the area of the semicircle.
    100.5 cm^2
  • Work out the perimeter of a quarter of a circle.
    26.1 cm
  • Find the Area
    36 cm^2
  • Work out the area of the circle with a diameter of 18 cm
    254.5 cm^2.
  • Find the Area
    64 cm^2
  • The circumference of a circular lawn is 32.56 m. Work out the area of the lawn. Give your answer correct to the nearest square metre.
    84 m^2
  • Work out the area of a circle with radius 4 cm.
    50.3 cm^2
  • Work out the area of the circle with a radius of 5 metres.
    78.5 metres^2.
  • A circle has a circumference of 35.7 m. What is the radius of the circle? Give your answer to one decimal place.
    radius = 5.7 m
  • Work out the area of a quarter of a circle.
    41.8 cm^2
  • The figure PQRS is made up of the triangles PQS and QRS. QS = 16 cm, SR = 7 cm and PT = 9 cm. Find the area of the figure. 1/2 x base x height.
    128 cm2
  • Work out the area of the shape correct to one decimal place (1.d.p.)
    48.1 cm^2
  • Work out the radius of a circle with area = 30 cm^2 . Give your answer correct to two decimal places (2 d.p.)
    radius= 3.09 cm
  • Find the Area
    64 cm^2
  • The shape below is made from 5 identical squares. The area of the shape is 125cm2. Work out the length marked x
    5 cm
  • Work out the area of the shape correct to one decimal place (1.d.p.)
    10.0 m^2
  • Work out the perimeter of the semicircle.
    41.1 cm
  • Find the Area
    117 cm^2