Right-Angled Triangles (Pythagoras & Trigonometry) (Cambridge (CIE) IGCSE Maths: Extended): Exam Questions

Find the exact value of .

= ...........................

The length of one side of a rectangle is 12cm.

The length of the diagonal of the rectangle is 13cm.

Calculate the area of the rectangle.

.......................................... cm²

Calculate the area of this trapezium.

Give your answer as an exact value.

......................................... cm²

 is a rectangle.

 is a straight line.

 = 12 cm

Angle = 60°

Angle  = 90°

Calculate the length of .

You must show all your working.

The table shows some values of  and  that satisfy the equation 

Find the value of  when = 45

Simplify   

Give your answer in the form   where and are integers.

ADB and BCD are right-angled triangles.

BC = CD.

Angle BAD = 30°.

Work out the length of BC.

...........................mm