Question 9
- A donkey is tied with a rope to a post which is 15 m from a fence. If the length of the rope between the donkey and the post is 17 m, calculate the length of the fence within the reach of the donkey.
- The base of a right pyramid with vertex, V, is a square, PQRS, of side 15 cm. If the slant height is 32 cm long:
- represent the information in a diagram;
- calculate its:
- height, correct to one decimal place;
- volume, correct to the nearest cm3.
Observation