Here is a circle and a right-angled triangle

Here is a circle and a right-angled triangle

Here is a circle and a right-angled triangle inside a rectangle. The measurements are in centimetres. Work out as many things as you can! The radius and tangent meet at 900 = 2

1 = h 2 tan = 2 2

2 = + 2 Some ideas Work out the length of the hypotenuse. How long is the

chord? What fraction is shaded? What is the area of the minor segment? What are the

angles in the Triangle? Area of the Circle? Triangle? Rectangle? Mark your work Triangle Hypotenuse = 5cm

Area = 6cm2 Angles 90, 36.9 and 53.1 degrees Circle Radius = 2cm

Area = 12.6cm2 (1 dp) Chord = 3.6cm (1dp) Area of Minor Segment = 2.8cm2 (1 dp) Rectangle Length = 6cm Area = 24cm2 Fraction of rectangle shaded =

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