The angle in a semicircle is a right angle of \(90^\circ\). In the diagram KL is a diameter of the circle and is 8 cm long. LM = 3 cm. Calculate the size of KM. KL is a diameter so we have an ...

Save guides, add subjects and pick up where you left off with your BBC account. Calculate the missing angles \(x\), \(y\) and \(z\). The angle in a semicircle is 90°.