|Level:||Primary 6 SA2|
|Subject:||Mathematics Paper 2|
|Degree of Difficulty:||AAA|
|Type of paper:||Word Problem Q10 Solution|
10. A right-angled isosceles triangle ABC is combined with a square and a semi-circle to form the shape below.
The diameter of semi-circle is the same as the side of the square and the area of the triangle is 36 cm2.
(a) How many similar sized right-angled isosceles triangles can you find in the figure.
(b) What is the area of the semi-circle. Leave your answer in terms of π.