The diagram shows a circle inside a semicircle. The circle has a diameter of 10 cm.
The semicircle has a diameter of 20 cm.
Work out the area shaded.
Give your answer correct to 1 decimal place.

2x minus y equals 6, x plus y equals negative 3

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale